Computer Applications
Write the output for the following:
String s1 = "phoenix"; String s2 ="island";
System.out.println(s1.substring(0).concat(s2.substring(2)));
System.out.println(s2.toUpperCase());
Related Questions
Which of the following returns a String?
- length()
- charAt(int)
- replace(char, char)
- indexOf(String)
Define a class to accept the gmail id and check for its validity.
A gmail id is valid only if it has:
→ @
→ .(dot)
→ gmail
→ com
Example:
icse2024@gmail.comis a valid gmail idWrite a Java program to enter any sentence and convert the sentence to uppercase. Print only those words of the sentence whose first and last letters are the same.