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public class ShuJuleixing{ public static void main(String[] args){ long l=123456789012345l;//输出一个长整型变量 System.out.println(l); float f=2.4f;//输出一个单精度的小 阅读全文
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import java.util.Scanner; public class Jisuanjl{ public static void main(String[] args){ Scanner input=new Scanner(System.in); System.out.print("Enter 阅读全文
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import java.util.Scanner; public class Duquzs{ public static void main(String[] args){ int i; Scanner input=new Scanner(System.in); System.out.print(" 阅读全文
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public class Tuxing{ 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.printl 阅读全文
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删除 2017-09-11 10:41 public class Yuan{ public static void main(String[] args){ double r; double area; double zhouchang; r = 5.5; area = r * r * Math.P 阅读全文