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How to replace a substring inside a string by another one ?
This example describes how replace method of java String class can be used to replace character or substring by new one.
public class StringReplaceEmp{ public static void main(String args[]){ String str="Hello World"; System.out.println( str.replace( 'H','W' ) ); System.out.println( str.replaceFirst("He", "Wa") ); System.out.println( str.replaceAll("He", "Ha") ); } } |
The above code sample will produce the following result.
Wello World Wallo World Hallo World |
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