string replacment java code example

Example 1: how to replace in java

String s1 = "my name is khan and my name is java";
String replaceString = s1.replace("is","was");
//replaces all occurrences of "is" to "was"
System.out.println(replaceString);

Example 2: java string repalce

String str1 = "abc123abc123";
String str2 = str1.replace("abc", "0");
System.out.println(str2); // 01230123