Done

Factorial.java

@@ -1,4 +1,3 @@
- 
 
 
 import java.math.BigInteger;
@@ -6,7 +5,13 @@ import java.math.BigInteger;
 public class Factorial {
 
     public BigInteger factorialOf(Integer value){
-        return null;
+        BigInteger fact = BigInteger.valueOf(1);
+        for (int i = 1; i <= value; i++)
+        {
+            fact = fact.multiply(BigInteger.valueOf(i));
+        }
+        
+        return fact;
     }
 
 }

LargestInteger.java

@@ -16,6 +16,11 @@ public class LargestInteger {
     }
 
     public Integer findLargestNumberUsingMathMax(Integer[] integers){
-        return Math.max(...integers);
+        int max=integers[0];
+        for(int i=1;i<integers.length;i++)
+        {
+            max=Math.max(integers[i],max);
+        }
+        return max;
     }
 }

NormalizeAngle.java

@@ -4,11 +4,14 @@
 public class NormalizeAngle {
 
     public Integer normalizeValueUsingModulo(Integer angle){
-        return 0;
+        angle=angle%360;
+        
+        return angle;
     }
 
     public Integer normalizeValueUsingFloorMod(Integer integer){
-        return 0;
+        int x= Math.floorMod(integer,360);
+        return x;
     }
 
     public static void main(String[] args){

ShortCalculator.ctxt

@@ -1,3 +1,5 @@
 #BlueJ class context
 comment0.target=ShortCalculator
-numComments=1
+comment1.params=args
+comment1.target=void\ main(java.lang.String[])
+numComments=2

ShortCalculator.java

@@ -1,5 +1,28 @@
- 
 
+import java.util.*;
 
 public class ShortCalculator {
+    public static void main(String[] args){
+        {
+            Short a,b,sum,diff,pro,quo,rem;
+            Scanner input= new Scanner(System.in);
+            System.out.printf("\nEnter first number");
+            a=input.nextShort();
+            System.out.printf("\nEnter second number");
+            b=input.nextShort();
+
+            sum=(short)(a+b);
+            diff=(short)(a-b);
+            pro=(short)(a*b);
+            quo=(short)(a/b);
+            rem=(short)(a%b);
+            
+            System.out.printf("\nSum is %d",sum);
+            System.out.printf("\nDifference is :%d",diff);
+            System.out.printf("\nProduct is :%d",pro);
+            System.out.printf("\nQuotient is :%d",quo);
+            System.out.printf("\nThe remainder is :%d",rem);
+        }
+    }
+
 }

package.bluej

@@ -14,16 +14,16 @@ dependency4.type=UsesDependency
 editor.fx.0.height=722
 editor.fx.0.width=800
 editor.fx.0.x=240
-editor.fx.0.y=24
+editor.fx.0.y=23
 objectbench.height=101
 objectbench.width=637
 package.divider.horizontal=0.5996275605214153
-package.divider.vertical=0.8361153262518968
-package.editor.height=544
+package.divider.vertical=0.8358662613981763
+package.editor.height=543
 package.editor.width=968
 package.editor.x=137
-package.editor.y=213
-package.frame.height=717
+package.editor.y=23
+package.frame.height=716
 package.frame.width=1094
 package.numDependencies=4
 package.numTargets=10