Upload files to "OOP/Java/Lab/Week3"

OOP/Java/Lab/Week3/Armstrong.java

@@ -1,4 +1,5 @@
 import java.util.Scanner;
+import java.lang.Math;
 
 class Armstrong{
     public static void main(String args[]){
@@ -6,15 +7,23 @@ class Armstrong{
 
         int a,b,digit;
         int digisum=0;
+        int c=0;
 
         System.out.println("Enter the number you went to check for Armstrong-ness:");
         a = sc.nextInt();
     
         b = a;
 
+        while(b!=0){
+            c++;
+            b/=10;
+        }
+
+        b = a;
+
         while(b!=0){
             digit = b%10;
-            digisum += (digit*digit*digit);
+            digisum += Math.pow(digit, c);
             b /= 10;
         }
 

OOP/Java/Lab/Week3/ArraySearch.java

@@ -11,6 +11,7 @@ public class ArraySearch {
 
         System.out.println("The value is found at the locations: ");
 
+
         for(int i:array){
             if(i == b){
                 System.out.print(" a["+index+"]");

OOP/Java/Lab/Week3/FourNumberGen.java

@@ -0,0 +1,37 @@
+public class FourNumberGen {
+    public static void main(String args[]){
+
+        int i,j,k,l;
+        System.out.println("With Repetition: ");
+        for(i = 0; i<=9; i++){
+            for(j = 0; j<=9; j++){
+                for(k = 0; k<=9; k++){
+                    for(l = 0; l<=9; l++)
+                    {
+                        System.out.print(i+""+j+""+k+""+l+" ");
+                    }
+                }
+            }
+        }
+
+        for(i=0;i<10;i++){
+            System.out.println(" ");
+        }
+
+        System.out.println("Without Repetition: ");
+        for(i = 0; i<=9; i++){
+            for(j = 0; j<=9; j++){
+                for(k = 0; k<=9; k++){
+                    for(l = 0; l<=9; l++)
+                    {
+                        if((i!=j)&(i!=k)&(i!=l)&(j!=k)&(j!=l)&(k!=l)){
+                            System.out.print(i+""+j+""+k+""+l+" ");
+                        }
+                    }
+                }
+            }
+        }
+
+
+    }
+}