比如有一个字符创为
"I am a Chinese people."
怎样修改为
"I am a Beijing people."
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"I am a Chinese people.".repalceAll("Chinese","Beijing");
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str=str.replaceAll("Chinese", "Beijing");
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- Java code
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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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”。