白盒测试

题 1：根据输入执行下列不同的数学计算并显示结果。编写程序，并设计测试数据进行语句覆盖测试。输入数据打印出“输入 x 值：”、“输入 k 值：”。执行算式一log(x ? k) 输出文字“算式一值:”和 y 的值，执行 k x 输出文字“算式二值:”和 y 的值；执行 k x 输出文字“算式三值:”和 y 的值。其中变量 x、k 均须为正整数，若 x≤0 或 k≤0，则提示：“输入不符合要求。”；若 x≥30，则提示：“数据超过范围。”。

package com.cao;
import java.lang.Math;
import java.util.Scanner;
public class first {
    public static void main(String[] args) {
        int x=0;
        int k=0;
        Scanner scanner=new Scanner(System.in);
        System.out.println("输入x的值");
        while (scanner.hasNext()){
            try {
                x =scanner.nextInt();
                System.out.println("输入k的值");
                k=scanner.nextInt();
                break;
            }catch (Exception e){
                System.out.println("输入不符合要求");
                return;
            }
        }
        if(x>0&&x<10){
            System.out.println("算式一的值"+Math.log(x*k));
        }else if(x>=10&&x<20){
            System.out.println("算式二的值"+Math.pow(x,k));
        }else if(x>=10&&x<30){
            System.out.println("算式三的值"+Math.pow(x,1d/k));
        }else if(x<0||k<0){
            System.out.println("输入不符合要求");
        }else {
            System.out.println("数据超过范围");
        }
        scanner.close();

    }

}

package com.cao;
import java.util.Scanner;
public class two {
    public static void main(String[] args) {
        int x=0;
        int m=0;
        Scanner scanner=new Scanner(System.in);
        System.out.println("输入x值");
        while (scanner.hasNext()){
            try{
                x =scanner.nextInt();
                System.out.println("输入m值");
                m=scanner.nextInt();
                break;
            }catch (Exception e) {
                System.out.println("输入不符合要求");
                return;
            }
        }
        if((x>=0&&x<5)&&(m>0&&m<4)){int i=1;
            System.out.println(Math.log(x));
        }else if ((5<=x&&x<=10)&&(4<=m&&m<8)){
            System.out.println(2*Math.sqrt(x/m));
        }else if(x>10&&m>=8){
            System.out.println(Math.pow(x,m+4));
        }else {
            System.out.println("输入不符合要求");
        }
        scanner.close();
    }
}

package com.cao;
import java.util.Scanner;
public class three  {
    public static void main(String[] args) {
        int x = 0;
        int k = 0;
        Scanner scanner = new Scanner(System.in);
        System.out.println("输入x的值");
        while (scanner.hasNext()) {
            try {
                x = scanner.nextInt();
                System.out.println("输入k的值");
                k = scanner.nextInt();
                break;
            } catch (Exception e) {
                System.out.println("输入不符合要求");
                return;
            }
        }
        if(x<0||k<0){
            System.out.println("输入不符合要求");
        }else if(0<x&&30>=x){
            System.out.println("算式三的值"+Math.sin(x));
        }else if(30<x&&60>=x){
            System.out.println("算式三的值"+Math.cos(Math.pow(x,k)));
        }else if(x>60){
            System.out.println("算式三的值"+Math.tan(x));
        }else {
            System.out.println("输入不符合要求");
        }
        scanner.close();
    }
}

//题目四
package com.cao;
import java.util.Scanner;
public class four {
    public static void main(String[] args) {
        int x = 0;
        int y= 0;
        Scanner scanner = new Scanner(System.in);
        System.out.println("输入x的值");
        System.out.println("输入k的值");
        while (scanner.hasNext()) {
            try {
                x = scanner.nextInt();
                y = scanner.nextInt();
                break;
            } catch (Exception e) {
                System.out.println("输入不符合要求");
                return;
            }
        }
        if(x<=0||y<=0){
            System.out.println("输入不符合要求");
        }else if(x==y){
            System.out.println("可以构建圆形或正方形");
        }else if(2<Math.abs(x-y)&&Math.abs(x-y)<=5){
            System.out.println("可以构建椭圆");
        }else if(0<Math.abs(x-y)&&Math.abs(x-y)<=2){
            System.out.println("可以构建长方形");
        }
        scanner.close();
    }
}

//题目五
package com.cao;
import java.util.Scanner;
public class five {
    public static void main(String[] args) {
        int a = 0;
        int b= 0;
        Scanner scanner = new Scanner(System.in);
        System.out.println("输入a的值");
        while (scanner.hasNext()) {
            try {
                a = scanner.nextInt();
                System.out.println("输入b的值");
                b = scanner.nextInt();
                break;
            } catch (Exception e) {
                System.out.println("输入不符合要求");
                return;
            }
        }
        if(a>5&&b>10){
            double x =Math.pow(a,2)*2;
            System.out.println("x="+x);
        }else {
            if(b==0 &&a >0){
                double y=Math.sqrt(a);
                System.out.println("y="+y);
            }else{
                double z=Math.pow((a+b),5);
                System.out.println("z="+z);
            }
        }
        scanner.close();
    }
}

package com.cao;
import java.util.Scanner;
public class six {
    public static void main(String[] args) {
        int a=0;
        int b=0;
        int c=0;
        int d=0;
        double Y=0;
        Scanner scanner=new Scanner(System.in);
        System.out.println("输入a值:");
        while (scanner.hasNext()){
            try {
                a=scanner.nextInt();
                System.out.println("输入b值:");
                b=scanner.nextInt();
                System.out.println("输入c值:");
                c=scanner.nextInt();
                System.out.println("输入d值:");
                d=scanner.nextInt();
                break;
            }catch (Exception e){
                System.out.println("必须输入整数");
                return;
            }
        }
        System.out.println(a+b+c+d);
        if((a>12&&b<13)&&(c>4||d<20)){
            Y=3*a+10*b+5*d-c;
            System.out.println("Y:"+Y);
        }else {
            Y=10*d-Math.pow((a+b),(c/5));
            System.out.println("Y:"+Y);
        }
        scanner.close();
    }
}

package com.cao;
import java.util.Scanner;
public class seven {
    public static void main(String[] args) {
        int a=0;
        int b=0;
        double c=0;
        Scanner scanner =new Scanner(System.in);
        System.out.println("输入a的值:");
        while (scanner.hasNext()){
            try {
                a=scanner.nextInt();
                System.out.println("输入b的值:");
                b=scanner.nextInt();
                break;
            }catch (Exception e){
                System.out.println("必须输入非零的整数");
                return;
            }
        }
        if(a!=0&&b!=0){
            if(a>0&&b>0){
                c=Math.sin(a+b*10);
                System.out.println("算式一值:"+c);
                System.out.println("c:"+c);
            }else {
                if(a<0&&b<0){
                    c=Math.pow((a*b),3);
                    System.out.println("算式二值:"+c);
                    System.out.println("c:"+c);
                }else {
                    c=Math.pow((a-b),2);
                    System.out.println("算式三值:"+c);
                    System.out.println("c:"+c);
                }
            }
        }else {
            System.out.println("必须输入非零的整数");
        }
        scanner.close();
    }
}

package com.cao;
import java.util.Scanner;
public class eight {
    public static void main(String[] args) {
        double x=0;
        double y=0;
        Scanner scanner=new Scanner(System.in);
        System.out.println("输入x值");
        x=scanner.nextDouble();
        System.out.println("输入y值");
        y=scanner.nextDouble();
        if (x>60&&y<35){
            double j=10*x-y;
            System.out.println("j="+j);
        }else {
            if(x==25&&y>50){
                double j=y*Math.log(x+10);
                System.out.println("j="+j);
            }else {
                double j=(x-y)*(Math.pow(10,6)%7);
                System.out.println("j="+j);
            }
        }
        scanner.close();
    }
}

package com.cao;
import javax.security.auth.login.LoginException;
import java.util.Scanner;
public class neight {
    public static void main(String[] args) {
        boolean name=false;
        Scanner scanner=new Scanner(System.in);
        System.out.println("请输入用户名:");
        String username=scanner.next();
        System.out.println("请输入密码:");
        String passwordd=scanner.next();
        try{
            if(username.length()==8&&username.length()<9){
                for(int i=0;i<username.length();i++){
                    char ch=username.charAt(i); // 获取每一个字符
                    if((ch>='a'&&ch<='z')||(ch>='A'&&ch<='B')){ // 判断字符是否为的字符
                        name=true;
                    }else {
                        name=false;
                        // 如果字符的字母，则拋出LoginException异常
                        throw new LoginException("用户名错误");
                    }
                }
            }else {
                throw new LoginException("用户名错误");
            }if (name){
                if(passwordd.length()>=6){
                    for(int i=0;i<passwordd.length();i++){
                        char ch=passwordd.charAt(i);
                        if(ch >= '0' && ch <= '9'){
                        }else {
                            // 如果字符不是0~9的数字，则拋出LoginException异常
                            throw new LoginException("密码错误");
                        }
                    }
                }else {
                    throw new LoginException("密码错误");
                }
                System.out.println("用户名密码正确");
            }
        }catch (LoginException e){
            System.out.println(e.getMessage());
        }
        scanner.close();

    }
}

package com.cao;
import javax.security.auth.login.LoginException;
import java.util.Scanner;
public class login {
    public static void main(String[] args) {
        String address;
        String phone;
        Boolean statu=false;
        Boolean pstatu=false;
        Scanner scanner=new Scanner(System.in);
        System.out.println("输入address:");
        address=scanner.nextLine();
        System.out.println("输入phone:");
        phone=scanner.nextLine();
        try {
            if(phone.length()==11){
            for (int i=0;i<phone.length();i++){
                char ch;
                ch=phone.charAt(i);
                    if(ch>='0'&&ch<='9'){
                        pstatu=true;
                    }else {
                        throw new LoginException("电话格式错误");
                    }
                }
                }else {
                pstatu=false;
            }
            if(address.length()>0&&address.length()<=10){
            for (int i=1;i<address.length();i++){
                char ch;
                char ch2;
                ch=address.charAt(0);
                ch2=address.charAt(i);
                    if(ch>='a'&&ch<='j'||ch>='A'&&ch<='J'){
                        if((ch2>'a'&&ch2<'j')||(ch2>'0'&&ch<'9')||ch2>='A'&&ch2<='J'){
                            statu=true;
                        }
                    }
                    }
                }else {
                statu=false;
            }
        }catch (LoginException e){
            System.out.println(e.getMessage());
        }
        if(pstatu==true){
            System.out.println("电话正确");
        }else {
            System.out.println("电话错误");
        }
        if(statu==true){
            System.out.println("地址正确");
        }else {
            System.out.println("地址错误");
        }
        scanner.close();
    }


}

package com.cao;
import java.util.Scanner;
public class eleven {
    public static void main(String[] args) {
        int x=0;
        int y=0;
        int z=0;
        Scanner scanner=new Scanner(System.in);
        System.out.println("输入x值：");
        while (scanner.hasNext()){
            try {
                x=scanner.nextInt();
                System.out.println("输入y值:");
                y=scanner.nextInt();
                System.out.println("输入z值:");
                z=scanner.nextInt();
                break;
            }catch (Exception e){
                System.out.println("输入不符合规则");
                return;
            }
        }
        if(y>2&&z==0){
            x=x/y;
            System.out.println("x="+x);
        }if(y==2&&x>1){
                x=x+1;
                y=x+2;
                System.out.println("y="+y);
            }else {
                y=x+z;
                System.out.println("y="+y);
            }
        scanner.close();
        }

    }

package com.cao;
import java.util.Scanner;
//世纪年：能被 400 整除的是闰年
//普通年：能被 4 整除且不能被 100 整除的是闰年。
public class twehlv {
    public static void main(String[] args) {
        int y=0;
        Scanner scanner=new Scanner(System.in);
        System.out.println("请输入年份：");
        y=scanner.nextInt();
        if(y%4==0&&y%100!=0){
            System.out.println("leap year");
        }else if(y%100==0&&y%400==0){
            System.out.println("Century leap year");
        }else {
            System.out.println("It is not a leap year.");
        }
        scanner.close();
    }
}

package com.cao;
import java.util.Scanner;
public class Thiretheen {
    public static void main(String[] args) {
        int x=0;
        int y=0;
        int a=-1;
        int b=-1;
        Scanner scanner=new Scanner(System.in);
        System.out.println("输入x值");
        while (scanner.hasNext()){
            try {
                x=scanner.nextInt();
                System.out.println("输入y值");
                y=scanner.nextInt();
                break;
            }catch (Exception e){
                System.out.println("请按要求输入x，y");
                return;
            }
        }
        if(x>0||y>0) {
            a = 10;
            if(x<10||y<10) {
                b=0;
            }
        }else {
            if(x<10||y<10) {
                b=0;
            }
        }
        System.out.println("a="+a);
        System.out.println("b="+b);
        scanner.close();
    }
}

package com.cao;

import java.util.Scanner;

public class fourtheen {
    public static void main(String[] args) {
        int a=0;
        int b=0;
        int x=0;
        Scanner scanner=new Scanner(System.in);
        System.out.println("输入a值");
            while (scanner.hasNext()){
                try {
                    a=scanner.nextInt();
                    System.out.println("输入b值");
                    b=scanner.nextInt();
                    break;
                }catch (Exception e){
                    System.out.println("输入不符合规范");
                    return;
                }
            }
        System.out.println(a+b);
            if(a>9&&b>5){
                x=a*a*b;
                System.out.println(x);
            }else {
                if(a<0&&b<0){
                    x=a-b;
                    System.out.println(x);
                }else {
                    x=a+b;
                    System.out.println(x);
                }
            }
        scanner.close();
    }
}

package com.cao;
import java.util.Scanner;
public class fifteen {
    public static void main(String[] args) {
        int x = 0;
        int y = 0;
        int a = 0;
        int sum=0;
        Scanner scanner = new Scanner(System.in);
        System.out.println("输入x值");
        while (scanner.hasNext()) {
            try {
                x = scanner.nextInt();
                System.out.println("输入y值");
                y = scanner.nextInt();
                break;
            } catch (Exception e) {
                System.out.println("输入不符合规范");
                return;
            }
        }
        while (x>0){
            if(y==0){
                x=y+1;
                break;
            }else {
                if(y==1){
                    a=y+10+a;
                    sum++;
                    System.out.format("a第%d次循环的值:%d",sum,a);
                    x=x-1;
                }else {
                    a=y+20+a;
                    sum++;
                    System.out.format("a第%d次循环的值:%d\n",sum,a);
                    x=x-1;
                }
            }
        }
        x=x+1;
        System.out.println("x="+x);
        scanner.close();
        }
    }

package com.cao;
import java.util.Scanner;
public class sixteen {
    public static void main(String[] args) {
        String username;
        String password;
        Scanner scanner=new Scanner(System.in);
        System.out.println("输入用户名");
        username=scanner.nextLine();
        System.out.println("输入密码");
        password=scanner.nextLine();
            if (username.isEmpty()&&password.isEmpty()){
            }else if(username.equals("admin")&&password.equals("123")){
                System.out.println("登录成功");
            }else if(!(username.equals("admin"))&&password.equals("123")){
                System.out.println("请输入正确的用户名");
            }else if(username.equals("admin")&&!(password.equals("123"))){
                System.out.println("请输入正确的密码");
            }else if(!(username.equals("admin"))&&!(password.equals("123"))){
                System.out.println("请输入正确的用户名和密码");
            }
        scanner.close();
    }
}

package com.cao;
import java.util.Scanner;
public class seventeen {
    public static void main(String[] args) {
        int y = 0;
        int m = 0;
        int d = 0;
        int flag = 1;
        Scanner scanner = new Scanner(System.in);
        System.out.println("输入年：");
        while (scanner.hasNext()){
            try {
                y=scanner.nextInt();
                System.out.println("输入月：");
                m=scanner.nextInt();
                break;
            }catch (Exception e){
                System.out.println("必须为正整数");
            }
        }
        if(y>0){
            switch (m){
                case 1:
                case 3:
                case 5:
                case 7:
                case 8:
                case 10:
                case 12:
                    d=31;
                    break;
                case 4:
                case 6:
                case 9:
                case 11:
                    d=30;
                    break;
                case 2:
                    if(y%4==0&&y%100!=0||y%400==0){
                        d=29;
                    }
                    else{
                        d=28;
                    }
                    break;
                default:
                    flag=0;
            }
            if (flag == 0) {
                System.out.println("月份错误");
            } else {
                System.out.format("%d年%d月有%d天!\n", y, m, d);
            }
        }else {

            System.out.println("年份错误，必须为正整数");
        }
        scanner.close();
        }

//第二种方式，if else语句
//        if(y>0){
//            if (m==1||m==3||m==5||m==7||m==8||m==10||m==12){
//                d=31;
//            }else if(m==4||m==6||m==9||m==11){
//                d=30;
//            }else if(m==2){
//                if(y%4==0&&y%100!=0||y%400==0){
//                    d=29;
//                }else {
//                    d=28;
//                }
//
//            }else {
//                flag=0;
//            }
//
//            if (flag == 0) {
//                System.out.println("月份错误");
//            } else {
//                System.out.format("%d年%d月有%d天!\n", y, m, d);
//            }
//        }else {
//
//            System.out.println("年份错误，必须为正整数");
//        }


    }

package com.cao;
import java.util.Scanner;
public class eightheen {
    public static void main(String[] args) {
        int a=0;
        int b=0;
        int c=0;
        Scanner scanner=new Scanner(System.in);
        System.out.println("输入a值");
        while (scanner.hasNext()){
            try {
                a=scanner.nextInt();
                System.out.println("输入b值");
                b=scanner.nextInt();
                System.out.println("输入c值");
                c=scanner.nextInt();
                break;
            }catch (Exception e){
                System.out.println("输入不符合规则");
                return;
            }
        }
        if((1<=a&&a<=10)&&(1<=b&&b<=10)&&(1<=c&&c<=10)){
            if(a+b>c||a+c>b||b+c>a){
                if (a==b||a==c||b==c){
                    System.out.println("能组成等腰三角行");
                }else if((a==b&&b==c)){
                    System.out.println("能组成等边三角形");
                }else {
                    System.out.println("能组成普通三角形");
                }
            } else{
                System.out.println("输入边值不能组成三角形");
            }
        }else{
            System.out.println("输入边值不在范围内，请重新输入");
        }
        scanner.close();
    }
}

package com.cao;
import java.util.Scanner;
public class neighteen {
    public static void main(String[] args) {
        double a=0;
        double b=0;
        double c=0;
        double d=0;
        int x=0;
        int y=0;
        Scanner scanner=new Scanner(System.in);
        System.out.println("输入x值:");
        while (scanner.hasNext()){
            try {
                x=scanner.nextInt();
                System.out.println("输入y值:");
                y=scanner.nextInt();
                break;
            }catch (Exception e){
                System.out.println("输入必须为整形");
                return;
            }
        }
        System.out.println(x+y);
        if(x>9&&y>4){
            if(x>20||y>10){
               c=Math.sin(x+y);
                System.out.println("c的值:"+c);
            }else {
                d=Math.pow((x+5),5);
                System.out.println("d的值:"+d);
            }
        }else{
            if (x>0||y>0){
                a=Math.pow(x,y);
                System.out.println("a的值:"+a);
            }else {
                b=x+y;
                System.out.println("b的值:"+b);
            }
        }
        scanner.close();
    }
}

package com.cao;
import java.util.Scanner;
public class twenty {
    public static void main(String[] args) {
        int x=0;
        int y=0;
        int a=0;
        Scanner scanner=new Scanner(System.in);
        System.out.println("输入x值：");
        while (scanner.hasNext()){
            try {
                x=scanner.nextInt();
                System.out.println("输入y值：");
                y=scanner.nextInt();
                break;
            }catch (Exception e){
                System.out.println("必须输入整数");
                break;
            }
        }
        System.out.println(x+y);
        if(x>=80&&x>=60){
            if(x>=90||y>=90){
                return;
            }else {
                a=2;
                System.out.println("a="+a);
            }
        }else {
            if(x<=70||y<=70){
                a=4;
                System.out.println("a="+a);
            }else {
                a=4;
                System.out.println("a="+a);
            }
        }
        scanner.close();
    }
}

int x=0;
    int y=0;
    int a=0;
    Scanner scanner=new Scanner(System.in);
    System.out.println("输入x值：");
    while (scanner.hasNext()){
        try {
            x=scanner.nextInt();
            System.out.println("输入y值：");
            y=scanner.nextInt();
            break;
        }catch (Exception e){
            System.out.println("必须输入整数");
            break;
        }
    }
    System.out.println(x+y);
    if(x>=80&&x>=60){
        if(x>=90||y>=90){
            return;
        }else {
            a=2;
            System.out.println("a="+a);
        }
    }else {
        if(x<=70||y<=70){
            a=4;
            System.out.println("a="+a);
        }else {
            a=4;
            System.out.println("a="+a);
        }
    }
    scanner.close();
}

}