6.1 Method with return value

rupeshsm · rupeshsm · commit e53f4bc183fc · 2018-07-31T10:04:55.000+05:30
In this program simple method overtime() is created to calculate extra hours worked by the employee and returned the extra work time.
diff --git a/PrintStringTest.java b/PrintStringTest.java
@@ -15,8 +15,8 @@ class PrintStringTest
 	public static void main(String args[])
 	{
 		
-		PrintString p = new PrintString();
-		p.displayText();
+		PrintString p = new PrintString(); // Creating Object of class PrintString
+		p.displayText();		 // Calling non static method displayText()
 		
 	} 
 }
diff --git a/PrintStringTestStat.java b/PrintStringTestStat.java
@@ -2,7 +2,7 @@
 class PrintString
 {
 	
-	static void displayText()
+	static void displayText()   // Defining static method
 	{
 		System.out.println("Hello, World :) ");
 	}
@@ -15,7 +15,7 @@ class PrintStringTestStat
 	public static void main(String args[])
 	{
 		
-		PrintString.displayText();
+		PrintString.displayText(); // Calling static method from object name
 		
 	} 
 }
diff --git a/TestEmployeeCmd.java b/TestEmployeeCmd.java
@@ -27,7 +27,13 @@ public static void main(String args[])
 	{
 		
 		Employee e = new Employee();
-		e.setData(args);
+		e.setData(args);	// Passing command line input to setData method
 		e.getData();
 	} 
-}
+}
+
+/* 
+to compile
+/path/of/filedirectory>javac TestEmployeeCmd.java
+/path/of/filedirectory>java TestEmployeeCmd Rupesh 56 90000.50 true
+*/
diff --git a/TestEmployeeObject.java b/TestEmployeeObject.java
@@ -0,0 +1,54 @@
+import java.util.Scanner;
+class Employee
+{
+	String name;
+	int e_id;
+	float salary;
+	boolean status;
+	
+	Scanner sc = new Scanner(System.in);
+	void setData()
+	{
+		
+		System.out.println("Enter Name (String) of Employee: " );
+		name=sc.nextLine();
+		System.out.println("Enter Employee ID (Integer) of Employee: " );
+		e_id=sc.nextInt();
+		System.out.println("Enter Salary (Float) of Employee: " );
+		salary=sc.nextFloat();
+		System.out.println("Enter Working Satus (Boolean) of Employee: " );
+		status=sc.nextBoolean();
+		
+	}
+	void getData()
+	{
+		System.out.println("Name:"+name+"\nEmp Id:"+e_id+"\nSalary:"+salary+"\nStatus:"+status);
+	}
+	Employee copyEmployee(Employee e)
+	{
+		Employee de = new Employee();
+		de.name =e.name;
+		de.e_id = e.e_id;
+		de.salary = e.salary;
+		de.status = e.status;
+		return de;
+	}
+}
+
+/*** Main Class***/
+
+class TestEmployeeObject
+{
+	public static void main(String args[])
+	{
+		
+		Employee e = new Employee();
+		e.setData();
+		System.out.println("\n\n Details of  Employee : "+e.name );
+		e.getData();
+		Employee ecopy = e.copyEmployee(e);
+		System.out.println("\n\n Details of copy of Employee : "+e.name );
+		ecopy.getData();
+		
+	} 
+}
diff --git a/TestEmployeeOvertime.java b/TestEmployeeOvertime.java
@@ -26,9 +26,9 @@ void getData()
 	{
 		System.out.println("Name:"+name+"\nEmp Id:"+e_id+"\nSalary:"+salary+"\nStatus:"+status);
 	}
-	float overtime()
+	float overtime(float time)
 	{
-		float ot = work_hrs-40;
+		float ot = work_hrs-time;
 		return ot; 
 	}
 }
@@ -43,7 +43,10 @@ public static void main(String args[])
 		Employee e = new Employee();
 		e.setData();
 		e.getData();
-		float ot = e.overtime();
+		System.out.println("Enter  working hour for the Month: ");
+		Scanner sc = new Scanner(System.in);
+		float time = sc.nextFloat();
+		float ot = e.overtime(float time);
 		if(ot > 0)
 		{
 			System.out.println(e.name +" worked "+ot+" Hrs Extra");
diff --git a/TestEmployeeScan.java b/TestEmployeeScan.java
@@ -5,12 +5,12 @@ class Employee
 	int e_id;
 	float salary;
 	boolean status;
-	Scanner sc = new Scanner(System.in);	//Creating Object for the call Scanner
+	Scanner sc = new Scanner(System.in);	//Creating Object for the Scanner class
 	void setData()
 	{
 		
 		System.out.println("Enter Name (String) of Employee: " );
-		name=sc.nextLine();				// Methood to accept String from user
+		name=sc.nextLine();	 // Method to accept String from user
 		System.out.println("Enter Employee ID (Integer) of Employee: " );
 		e_id=sc.nextInt();
 		System.out.println("Enter Salary (Float) of Employee: " );

Original file line number	Diff line number	Diff line change
`@@ -15,8 +15,8 @@ class PrintStringTest`
`15`	`15`	`public static void main(String args[])`
`16`	`16`	`{`
`17`	`17`
`18`		`- PrintString p = new PrintString();`
`19`		`- p.displayText();`
	`18`	`+ PrintString p = new PrintString(); // Creating Object of class PrintString`
	`19`	`+ p.displayText(); // Calling non static method displayText()`
`20`	`20`
`21`	`21`	`}`
`22`	`22`	`}`
Original file line number	Diff line number	Diff line change
`@@ -2,7 +2,7 @@`
`2`	`2`	`class PrintString`
`3`	`3`	`{`
`4`	`4`
`5`		`- static void displayText()`
	`5`	`+ static void displayText() // Defining static method`
`6`	`6`	`{`
`7`	`7`	`System.out.println("Hello, World :) ");`
`8`	`8`	`}`
`@@ -15,7 +15,7 @@ class PrintStringTestStat`
`15`	`15`	`public static void main(String args[])`
`16`	`16`	`{`
`17`	`17`
`18`		`- PrintString.displayText();`
	`18`	`+ PrintString.displayText(); // Calling static method from object name`
`19`	`19`
`20`	`20`	`}`
`21`	`21`	`}`
Original file line number	Diff line number	Diff line change
`@@ -26,9 +26,9 @@ void getData()`
`26`	`26`	`{`
`27`	`27`	`System.out.println("Name:"+name+"\nEmp Id:"+e_id+"\nSalary:"+salary+"\nStatus:"+status);`
`28`	`28`	`}`
`29`		`- float overtime()`
	`29`	`+ float overtime(float time)`
`30`	`30`	`{`
`31`		`- float ot = work_hrs-40;`
	`31`	`+ float ot = work_hrs-time;`
`32`	`32`	`return ot;`
`33`	`33`	`}`
`34`	`34`	`}`
`@@ -43,7 +43,10 @@ public static void main(String args[])`
`43`	`43`	`Employee e = new Employee();`
`44`	`44`	`e.setData();`
`45`	`45`	`e.getData();`
`46`		`- float ot = e.overtime();`
	`46`	`+ System.out.println("Enter working hour for the Month: ");`
	`47`	`+ Scanner sc = new Scanner(System.in);`
	`48`	`+ float time = sc.nextFloat();`
	`49`	`+ float ot = e.overtime(float time);`
`47`	`50`	`if(ot > 0)`
`48`	`51`	`{`
`49`	`52`	`System.out.println(e.name +" worked "+ot+" Hrs Extra");`