u012038649的专栏

public class Student { static{ System.out.println("this is static block "); } { System.out.println("this is non-static block 1"); } public Student(int id){ System.out.println

package com.object.array; import java.util.Scanner; class Student { private String name; public void setName(String name) { this.name = name; } public String getName() { return this.name;

先看两个简单的例子，来感受一下Java的不定长度参数 第一个例子： public class VariArgs { public static void main(String[] args) { test(); test("aaa"); test("aaa", "bbb"); test("aa

#log4j.properties log4j.rootLogger=DEBUG,CONSOLE,A1,im #DEBUG,CONSOLE,FILE,ROLLING_FILE,MAIL,DATABASE log4j.addivity.org.apache=true ################### # Console Appender ################### log