Discussion Forum : Searching And Modifying A String
Question -
class output {
public static void main(String args[])
{
String s1 = "Hello";
String s2 = s1.replace('l','w');
System.out.println(s2);
}
}
What is the output of this program?
class output {
public static void main(String args[])
{
String s1 = "Hello";
String s2 = s1.replace('l','w');
System.out.println(s2);
}
}
Answer: Option D
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replace() method replaces all occurrences of one character in invoking string with another character. s1.replace('l','w') replaces every occurrence of 'l' in hello by 'w', giving hewwo.
Output:
$ javac output.java
$ java output
hewwo
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