编程技能训练与等级考试辅导第1-30套试题.docx

第01套试题 基本操作题 import java.io.*; public class Java_1 { public static void main(String args[]) { char a='r'; byte b=8; int i=55; //*********Found******** ______ n=1024L; float f=103.7f; //*********Found******** ______ d=954.2431; int a1=a+i; long n1=n-a1; float f1=b*f; double d1=f1/a1+d; System.out.println("a1="+a1); System.out.println("n1="+n1); System.out.println("f1="+f1); System.out.println("d1="+d1); } } 简单应用题 import java.util.Random; public class Java_2 { public static void main(String args[]