摘要：import java.util.Scanner; public class HHR{ public static void main(String[] args){ long l=123456789012345l; System.out.print("长整数的的值是："+l+"\n"); floa 阅读全文

摘要：import java.util.Scanner; public class Distance { public static void main(String[] args) { Scanner input=new Scanner(System.in); System.out.print("请输入 阅读全文

摘要：import java.util.Scanner; public class Num { public static void main(String[] args) { Scanner input = new Scanner(System.in); System.out.println("请输入一 阅读全文

摘要：public class world { public static void main(String[] args) { double p=3.14,i=5.50; System.out.println(" 圆的面积："+ p*i*i+ "cm2"); System.out.println(" 圆 阅读全文

摘要：public class aaa{ public static void main(String[] args) {System.out.println(" J A V V A "); System.out.println(" J A A V V A A "); System.out.println 阅读全文