What will be the output of the following Java program?class output{public static void main(String args[]){String s1 = "Hello";String s2 = s1.replace('l','w');System.out.println(s2);}}

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What will be the output of the following Java program?
class output
{
public static void main(String args[])
{
String s1 = “Hello”;
String s2 = s1.replace(‘l’,’w’);
System.out.println(s2);
}
}

What will be the output of the following Java program?
class output
{
public static void main(String args[])
{
String s1 = “Hello”;
String s2 = s1.replace(‘l’,’w’);
System.out.println(s2);
}
}
a) hello
b) helwo
c) hewlo
d) hewwo

Answer: d
Explanation: 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:
hewwo

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What will be the output of the following Java program?class output{public static void main(String args[]){String s1 = “Hello”;String s2 = s1.replace(‘l’,’w’);System.out.println(s2);}}

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What will be the output of the following Java program?
class output
{
public static void main(String args[])
{
String s1 = “Hello”;
String s2 = s1.replace(‘l’,’w’);
System.out.println(s2);
}
}