bikashdaga

Input:

public class ScalerTopics
{
	public static void main(String[] args) {
        int[] array = new int[] {5, 3, 12, 9, 45, 1, 22};
        int K = 9;
    
        int result = linearSearch(array, K);
    

bikashdaga

Input:

public class ConstructorEG {
  String name;
  Integer number;

  ConstructorEG(){ // default constructor
    System.out.println("Default Constructor called");
  }

bikashdaga

1. Using toCharArray():

public static String reverse(String str) 
{
    String rev="";
    char[] finalarray = str.toCharArray();
    for (int i = finalarray.length - 1; i >= 0; i--)
        rev+=finalarray[i];
    return rev;
}