done

Account.java

@@ -20,8 +20,8 @@ class Account
 
     public boolean transfer(Account acc, int sum) {
         if(sum<=amount) {
-            amount-=sum;
-            acc.amount+=sum;
+            amount-=sum;//the one who is transfering
+            acc.amount+=sum;//the other personns account
             return true;
         }
         else return false;

AccountTest.java

@@ -0,0 +1,46 @@
+
+
+import static org.junit.Assert.*;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+
+public class AccountTest
+{
+    /**
+     * Default constructor for test class AccountTest
+     */
+    public AccountTest()
+    {
+    }
+
+    /**
+     * Sets up the test fixture.
+     *
+     * Called before every test case method.
+     */
+    @Before
+    public void setUp()
+    {
+    }
+
+    /**
+     * Tears down the test fixture.
+     *
+     * Called after every test case method.
+     */
+    @After
+    public void tearDown()
+    {
+    }
+    @Test
+    public void testAccountBalance()
+    {
+        Account account=new Account(999);
+        int expected=999;
+        int actual=account.balance();
+        assertEquals(actual,expected);
+    }
+        
+}

ScrabbleTest.java

@@ -0,0 +1,30 @@
+
+
+import static org.junit.Assert.*;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+
+public class ScrabbleTest
+{
+    
+    @Test
+    public void testScrabble()
+    {
+        int expected =10;
+        Scrabble t1=new Scrabble();
+        int actual=t1.score("q");
+        assertEquals(actual,expected);
+    }
+    @Test
+    public void testScrabble1()
+    {
+        int expected =10;
+        Scrabble t1=new Scrabble();
+        int actual=t1.score("bmw");
+        assertEquals(actual,expected);
+    }
+    
+    
+}

Squares.java

@@ -4,13 +4,15 @@ class Squares
 
  static final int LIMIT=150;
 
- public void display(int limit)
+ public int display(int limit)
  {
   int i;
   for(i=1;i*i<limit;i++)
      {
       System.out.print("The square of "+i);
       System.out.println(" is "+i*i);
+      
      }
+     return i*i;
  }
 }

SquaresTest.java

@@ -0,0 +1,19 @@
+
+
+import static org.junit.Assert.*;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+
+public class SquaresTest
+{
+    Squares square=new Squares();
+    @Test
+    public void testSquare()
+    {
+        int expected=1;
+        int actual=square.display(1);
+        assertEquals(actual,expected);
+    }
+}

TriangleTwo.java

@@ -11,7 +11,7 @@ class TriangleTwo {
         this.display(XTRIANGLES, SIZE);
     }
 
-    public void display(int num, int size)
+    public void display(int num,int size)
     {
         for(int i=0;i<size;i++)
         {
@@ -23,8 +23,15 @@ class TriangleTwo {
                 for(;j<size;j++)
                     System.out.print(" ");
             }
-            System.out.println();
         }
+            System.out.println();
+       
+            
+        
     }
+}
+
+    
+       /* 
+        }*/
 
-}

package.bluej

@@ -1,26 +1,41 @@
 #BlueJ package file
-dependency1.from=Account
+dependency1.from=DepositAccount
 dependency1.to=AccountException
 dependency1.type=UsesDependency
-dependency2.from=DepositAccount
-dependency2.to=AccountException
+dependency2.from=ScrabbleTest
+dependency2.to=Scrabble
 dependency2.type=UsesDependency
-editor.fx.0.height=722
-editor.fx.0.width=800
-editor.fx.0.x=114
-editor.fx.0.y=175
+dependency3.from=Calendar1
+dependency3.to=CalendarGraphic
+dependency3.type=UsesDependency
+dependency4.from=Calendar1
+dependency4.to=DateException
+dependency4.type=UsesDependency
+dependency5.from=Calendar
+dependency5.to=DateException
+dependency5.type=UsesDependency
+dependency6.from=Date
+dependency6.to=DateException
+dependency6.type=UsesDependency
+dependency7.from=Account
+dependency7.to=AccountException
+dependency7.type=UsesDependency
+editor.fx.0.height=0
+editor.fx.0.width=0
+editor.fx.0.x=0
+editor.fx.0.y=0
 objectbench.height=101
 objectbench.width=461
 package.divider.horizontal=0.6
 package.divider.vertical=0.8007380073800738
 package.editor.height=427
 package.editor.width=674
-package.editor.x=1006
+package.editor.x=480
 package.editor.y=133
 package.frame.height=600
 package.frame.width=800
-package.numDependencies=2
-package.numTargets=13
+package.numDependencies=7
+package.numTargets=14
 package.showExtends=true
 package.showUses=true
 project.charset=UTF-8
@@ -36,6 +51,7 @@ target1.type=ClassTarget
 target1.width=130
 target1.x=450
 target1.y=190
+target10.association=ScrabbleTest
 target10.height=50
 target10.name=Scrabble
 target10.showInterface=false
@@ -44,40 +60,47 @@ target10.width=80
 target10.x=10
 target10.y=250
 target11.height=50
-target11.name=TriangleTwo
+target11.name=DepositAccount
 target11.showInterface=false
 target11.type=ClassTarget
-target11.width=100
-target11.x=120
-target11.y=310
+target11.width=120
+target11.x=170
+target11.y=120
 target12.height=50
-target12.name=AccountException
+target12.name=TriangleTwo
 target12.showInterface=false
 target12.type=ClassTarget
-target12.width=140
-target12.x=190
-target12.y=30
+target12.width=100
+target12.x=120
+target12.y=310
 target13.height=50
-target13.name=DateException
+target13.name=AccountException
 target13.showInterface=false
 target13.type=ClassTarget
-target13.width=120
-target13.x=470
-target13.y=340
+target13.width=140
+target13.x=190
+target13.y=30
+target14.height=50
+target14.name=DateException
+target14.showInterface=false
+target14.type=ClassTarget
+target14.width=120
+target14.x=470
+target14.y=340
 target2.height=50
-target2.name=Account
+target2.name=Calendar1
 target2.showInterface=false
 target2.type=ClassTarget
-target2.width=80
-target2.x=50
-target2.y=110
+target2.width=90
+target2.x=330
+target2.y=220
 target3.height=50
-target3.name=Calendar1
+target3.name=Account
 target3.showInterface=false
 target3.type=ClassTarget
-target3.width=90
-target3.x=330
-target3.y=220
+target3.width=80
+target3.x=50
+target3.y=110
 target4.height=50
 target4.name=Squares
 target4.showInterface=false
@@ -114,9 +137,9 @@ target8.width=80
 target8.x=350
 target8.y=290
 target9.height=50
-target9.name=DepositAccount
+target9.name=ScrabbleTest
 target9.showInterface=false
-target9.type=ClassTarget
-target9.width=120
-target9.x=170
-target9.y=120
+target9.type=UnitTestTargetJunit4
+target9.width=80
+target9.x=40
+target9.y=220