The String class represents character strings. All string literals in Java programs, such as "abc" , are implemented as instances of this class.Strings are constant; their values cannot be changed after they are created. String buffers support mutable strings. Because String objects are immutable they can be shared.
Reading a String
<Reading a String
import java.util.Scanner; public class ReadString { public static void main(String[] args) { System.out.println("enter a String: "); Scanner sc =new Scanner(System.in); while(true){ String s=sc.nextLine(); s=s.toLowerCase(); if(s.indexOf("hari")!=-1){ System.out.println("Hi,hari!"); } else{ System.out.println("Who are you?"); } break; } } } OutPut: Enter a String: hari Hi,hari!
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