J.java

import java.util.Scanner;

public class J {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		Scanner s	= new Scanner(System.in);
		
		System.out.println("INPUT");
		System.out.print("n  : ");
		int n			= s.nextInt();
		double[]data	= new double[n];
		
		for(int i=0;i<n;i++){
			System.out.print("elemen ["+i+"]: ");
			data[i]=s.nextDouble();	
		}
		
		System.out.println("bilangan yang dicari: ");
		double c	= s.nextDouble();
		int index		= -1;
		
		for(int i=0;i<n;i++){
			if(data[i]==c){
				index	= i;
				break;
			}
		}
		
		System.out.println("\nOUTPUT");
		if(index==-1){
			System.out.println("Bilangan yang dicari tidak berada di dalam array");
		}else{
			System.out.println("Bilangan yang dicari berada di index array ke: "+index);
		}
		
	}

}