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import java.util.Scanner;

public class BreakDemo   {   

    public static void main(String[]   args)

    {

        Scanner   sc = new Scanner(System.in);   //建立键盘输入

        System.out.println("请输入第一个数据:"); //输入3个数据

        int x = sc.nextInt();

        System.out.println("请输入第二个数据:");

        int y = sc.nextInt();

        System.out.println("请输入第二个数据:");

        int z = sc.nextInt();

        int result3 = max(x,y,z); //调用max方法

        System.out.println("三个数中最大的是"+result3);//输出

    }

    public static int max(int a,int b,int c) //建立3个数据的比较方法

    {

        int result1 = ((a > b)? a:b);  //三元运算符进行比较，方便快捷

        int result2 = ((result1>c)? result1:c);

        return result2; //反回想要的值

    }

}

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import java.util.Scanner;

public class BreakDemo   {   

    public static void main(String[]   args)

    {

        Scanner   sc = new Scanner(System.in);

        System.out.println("请输入第一个数据: ");

        int x = sc.nextInt();

        System.out.println("请输入第二个数据：");

        int y = sc.nextInt();

        boolean result = D(x,y);  //调用boolean方法，所以也得用boolean类型

        System.out.println("两个数是否相等？ "+result); //输出

    }

    public static boolean D(int a,int b)//由于比较的结果是boolean类型，所以这里方法是boolean类型

                                        //而比较的两个数据是int的，所以里面的a，b是int类型的

    {

                //第一种方法：

        //boolean   c = (a == b); //注意，c是boolean类型

        //return   c; //返回c,  

               return a == b; //第二种方法：直接判断，最简单

    }

}

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import java.util.Scanner;

class FanFa2 {

    public static   void main(String[] args) {

        Scanner   sc = new Scanner(System.in);

        System.out.println("请输入你想要的行数: ");

        int   a = sc.nextInt();

        System.out.println("请输入你想要的列数: ");

        int   b = sc.nextInt();

        xing(a,b);

    }

    public static void xing(int x,int y){

        for(int a = 0;a

        {

            for(int b= 0;b

            {

                System.out.print("*");

            }

            System.out.println("   ");

        }

    }

}

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import java.util.Scanner;

public class FanFa3   {

    public static void main(String[]   args) {

        //   TODO Auto-generated method stub

        Scanner   sc = new Scanner(System.in);

        System.out.println("你想要得到的乘法表： ");

        int a = sc.nextInt();

        chenfa(a);

    }

    public static void chenfa(int x)

    {

        for(int a = 0;a

            for(int b = 0;b

            {

                System.out.print(a+"x"+b+"="+a*b+"t");

            }

            System.out.println("   ");

        }

    }

}

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import java.util.Scanner;

public class FanFa4   {

    public static void main(String[]   args) {

        //   TODO Auto-generated method stub

        Scanner   sc = new Scanner(System.in);

        System.out.println("请输入你想要对比的数据1：");

        byte a = sc.nextByte();  //short的话， short a =sc.nextShort(),其他也是。

        System.out.println("请输入你想要对比的数据2：");

        byte b = sc.nextByte();

        System.out.println(xiangdeng1(a,b));

    }

    public static boolean xiangdeng1(byte a,byte b){

            return a==b;

    }

    public static boolean xiangdeng2(short a,short b){

        return a==b;

    }

    public static boolean xiangdeng3(int a,int b){

        return a==b;

    }

    public static boolean xiangdeng4(long a,long b){

        return a==b;

    }

}