摘要：
public class Sum { public static void main(String[] args) { System.out.println("5+5="+5+5); } public class Increment { public static void main(String[] args) { int a=3,b; ... 阅读全文
摘要：
1输出一个长整型 public class Long { public static void main(String[] args) { long l=123456789123; System.out.println("长整型变量为："+l); } } 2输出一个单精度常量 public class Float { public static void m... 阅读全文
摘要：
2.6 import java.uti1.Scanner; public class Work{ public static void main(String[] args){ Scanner input=new Scanner(System.in); System.out.print(“Enter a number between 0 and 100... 阅读全文
摘要：
Public class CirdeAndsquare{ public static void main(string[] args){ double r = 5.5; double c = 2*Math.PI*r; double s = r*r*Math.PI; System.out.println("圆的周长是:"+c); System.out.println("圆的面... 阅读全文
摘要：
Public class WelcomeRepetition{ public stati viod main(string[] args){ System.out.println("Welcome to Java"); System.out.println("Welcome to Java"); System.out.println("Welcome to Java"); } ... 阅读全文
