import java.util.Scanner;
class Demo1 {
public static void main(String[] args) {
int cube = 0;
int total = 0;
Scanner sc = new Scanner(System.in);
System.out.println("请输入立方的值");
cube = sc.nextInt();
total = cube * cube * cube;
System.out.println("这个立方为:" + total);
}
}
import java.util.Scanner;
class Demo2 {
public static void main(String[] args) {
int num1 = 0;
int num2 = 0;
int num3 = 0;
int num4 = 0;
Scanner sc = new Scanner(System.in);
System.out.println("请输入四个数");
num1 = sc.nextInt();
num2 = sc.nextInt();
num3 = sc.nextInt();
num4 = sc.nextInt();
if (num1 == num2 && (num1 + num2) == (num3 + num4)) {
System.out.println("1");
} else {
System.out.println("0");
}
}
}
import java.util.Scanner;
class Demo3 {
public static void main(String[] args) {
int x = 0;
int y = 0;
int max = 0;
Scanner sc = new Scanner(System.in);
System.out.println("请先后输入两个数");
x = sc.nextInt();
y = sc.nextInt();
if (x > y) {
System.out.println("max的值是:" + (max = x));
} else {
System.out.println("max的值是:" + (max = y));
}
}
}
import java.util.Scanner;
class Demo4 {
public static void main(String[] args) {
int x = 0;
int y = 0;
int z = 0;
int max = 0;
Scanner sc = new Scanner(System.in);
System.out.println("请先后输入三个数值");
x = sc.nextInt();
y = sc.nextInt();
z = sc.nextInt();
if (x >= y && x >= z) {
System.out.println("max的值为" + (max = x));
} else if (y > x && y > z) {
System.out.println("max的值为" + (max = y));
} else {
System.out.println("max的值为" + (max = z));
}
}
}
import java.util.Scanner;
class Demo5 {
public static void main(String[] args) {
int month = 0;
int a = 30;
int b = 31;
Scanner sc = new Scanner(System.in);
System.out.println("请输入几月份");
month = sc.nextInt();
switch (month) {
case 1 :
case 3 :
case 5 :
case 7 :
case 8 :
case 10 :
case 12 :
System.out.println(month + "月有31天");
break;
case 4 :
case 6 :
case 9 :
case 11 :
System.out.println(month + "月有30天");
break;
case 2 :
System.out.println(month + "月有28天");
break;
default :
System.out.println("输入月份错误");
break;
}
}
}
class Demo6 {
public static void main(String[] args) {
int i = 1;
int j = 1;
int total = 0;
while (i <= 9) {
j = 1;
while (j <= i) {
System.out.print(i + "*" + j + "=" + i * j + " ");
j ++;
}
i ++ ;
System.out.println();
}
System.out.println("over... ...");
}
}