LineComparisonProblemUC1.java

package com.linecompare;

import java.util.Scanner;

public class LineComparisonProblemUC1 {

	public static void main(String[] args) {
		//also can use try to test the selected code during execution
		Scanner sc = new Scanner(System.in);
        double x1,x2,y1,y2,x3,y3,x4,y4;
        int line1,line2;
        
        //For first line
        System.out.println("Enter x1 & y1 values of First point");
        x1 = sc.nextDouble();
        y1 = sc.nextDouble();
        
        System.out.println("Enter x2 & y2 values of Second point");
        x2 = sc.nextDouble();
        y2 = sc.nextDouble();
        
        line1=(int)Math.sqrt((x2 - x1) * (x2 - x1) + (y2 - y1) * (y2 - y1));
        System.out.println("Distance of the First line = "+line1);
        
        
        //For second line 
        System.out.println("Enter x3 & y3 values of Third point");
        x3 = sc.nextDouble();
        y3 = sc.nextDouble();
        
        System.out.println("Enter x4 & y4 values of Fourth point");
        x4 = sc.nextDouble();
        y4 = sc.nextDouble();
        
        line2 = (int)Math.sqrt((x4 - x3) * (x4 - x3) + (y4 - y3) * (y4 - y3));
        System.out.println("Distance of Second line = "+line2);
        
        String str1 = Double.toString(line1);
        String str2 = Double.toString(line2);
        
        //Comparing the two lines using the "compareTo" method
       int check = str1.compareTo(str2);
       if(check == 0)
        	System.out.println("Both the lines are Equal");
        else
        	System.out.println("Both the lines are Not equal");
	}

}