java search string in string
You can use contains(), indexOf() and lastIndexOf() method to check if one String contains another String in Java or not. If a String contains another String then it's known as a substring. The indexOf() method accepts a String and returns the starting position of the string if it exists, otherwise, it will return -1.search an element in an array java
import java.util.Scanner;
public class Search_Element
{
public static void main(String[] args)
{
int n, x, flag = 0, i = 0;
Scanner s = new Scanner(System.in);
System.out.print("Enter no. of elements you want in array:");
n = s.nextInt();
int a[] = new int[n];
System.out.println("Enter all the elements:");
for(i = 0; i < n; i++)
{
a[i] = s.nextInt();
}
System.out.print("Enter the element you want to find:");
x = s.nextInt();
for(i = 0; i < n; i++)
{
if(a[i] == x)
{
flag = 1;
break;
}
else
{
flag = 0;
}
}
if(flag == 1)
{
System.out.println("Element found at position:"+(i + 1));
}
else
{
System.out.println("Element not found");
}
}
}Copyright © 2021 Codeinu
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