test.java

自己写的jiava程序

/*
 *Created on 2008-5-9
 *
 *To change the template for this generated file go to
 *Whindow_Preferences
 */

public class Test {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO 自动生成方法存根
		String s1="zhaohang";
		StringBuffer s9=new StringBuffer("zhaohang");
		StringBuffer s5=s9.insert(3, "is");
//		System.out.println(s5);
//		s5.delete(3, 5);
//		System.out.println(s5);
		String s2="zhaohang is good student";
		String s3="student";
		s3=s2;
		System.out.println(s3);
		char c=s1.charAt(3);
		String r1=s2.substring(0,11);
		String r2=s2.substring(11);
		String s4=r1+" a"+r2;
		System.out.println(s4);
		
//		System.out.println(s4);
	}

}