Chapter 8 Practice Set Solutions

Author: kishanrajput23

39.Chapter_8_Practice_Set/Ch8_PS.pdf

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+class Employee {
+    int salary;
+    String name;
+    
+    public int getSalary() {
+        return salary;
+    }
+    
+    public String getName() {
+        return name;
+    }
+    
+    public void setName(String n) {
+        name = n;
+    }
+}
+
+public class cwh_39_ps_pr_01 {
+    public static void main(String args[]) {
+        Employee kishan = new Employee();
+        kishan.setName("Let's Code Together");
+        kishan.salary = 50000;
+      
+      //kishan.name = "Kishan";
+      
+        System.out.println(kishan.getSalary());
+        System.out.println(kishan.getName());
+    }
+}

39.Chapter_8_Practice_Set/cwh_39_ps_pr_01.java

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+class Cellphone {
+    public void ring() {
+        System.out.println("ringing...");
+    }
+    
+    public void vibrate() {
+        System.out.println("vibrating...");
+    }
+    
+    public void call() {
+        System.out.println("calling your friend...");
+    }
+}
+
+public class cwh_39_ps_pr_02 {
+    public static void main(String args[]) {
+        Cellphone apple = new Cellphone();
+        apple.ring();
+        apple.vibrate();
+        apple.call();
+    }
+}

39.Chapter_8_Practice_Set/cwh_39_ps_pr_02.java

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+class Circle {
+    double radius;
+    
+    public double perimeter() {
+        return (2 * radius * Math.PI);
+    }
+    
+    public double area() {
+        return (Math.PI * radius * radius);
+    }
+}
+
+public class cwh_39_ps_pr_06 {
+    public static void main(String args[]) {
+        Circle cir = new Circle();
+        cir.radius = 5.5;
+        System.out.println(cir.perimeter());
+        System.out.println(cir.area());
+    }
+}