一个关于字符串替换的有关问题

String str = "I am a Chinese people." ;String newStr="";String strArr[] = str.spit(" ");for(int i=0;i<strArr.length;i++){  if(str.equals("Chinese")){    strArr[i]="Beijing";  }}for(int i=0;i<strArr.length;i++){  newStr+=strArr[i]+" ";}
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Java code
    return "I am a Chinese people.".replace("Chinese", "Beijing")；
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Java code
public class Test {         public static void main(String args[]) {                String s = "I am a Chinese people";        s = s.replaceAll("Chinese","Beijing");        System.out.println(s);    }}
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String str="I am a Chinese people." ;
String newStr=str.replaceAll("Chinese", "Beijing")
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String str = "I am a Chinese people.";
		String replace = str.replaceAll("Chinese", "Beijing");
		System.out.print(replace);
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探讨

return "I am a Chinese people.".replace("Chinese", "Beijing");

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完整代码:
Java code
public class ChangeString {    /**     * @param args     */    public static void main(String[] args) {        System.out.println(ChangeString.method1());    }        public static String method1(){         return "I am a Chinese people".replace("Chinese", "Beijing");    }}
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楼上说的方法都行。

要注意的是String类里的replaceAll方法参数的字符串用的是正则表达式，不是普通字符串。只不过“Chinese”的正则表达式就是“Chinese”。