q2,q3,q4 and their runner classes

RadhikaKhanna_500086925/question 3/MotorBike.java

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+package com.in28minutes.oops;
+
+public class MotorBike {
+	private int speed;
+
+	public int getSpeed() {
+		return speed;
+	}
+
+	public void setSpeed(int speed){
+		if (speed >0)
+			this.speed=speed;
+	}
+
+	public void increaseSpeed( int howMuch) {
+		this.speed=this.speed+howMuch;
+	}
+
+	public void decreaseSpeed( int howMuch) {
+		this.speed=this.speed-howMuch;
+	}
+
+	void start() {
+		System.out.println("bike started");
+	}
+
+}

RadhikaKhanna_500086925/question 3/readme.md

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+Create a class called motorbike and adjust the speed using getters and setters

RadhikaKhanna_500086925/question 4/Number.java

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+package com.in28minutes.oops;
+
+public class Number {
+
+	private int no1;
+	private int no2;
+
+
+
+	public int getNo1() {
+		return no1;
+	}
+
+	public void setNo1(int no1) {
+		this.no1 = no1;
+	}
+
+	public int getNo2() {
+		return no2;
+	}
+
+	public void setNo2(int no2) {
+		this.no2 = no2;
+	}
+
+	Number(int no1, int no2){
+		this.no1=no1;
+		this.no2=no2;
+	}
+
+	public int add() {
+		return no1+no2;
+	}
+
+	public int multiply() {
+		return no1*no2;
+	}
+
+	public void doubleValue() {
+		this.no1=this.no1*2;
+		this.no2=this.no2*2;
+	}
+}

RadhikaKhanna_500086925/question 4/readme.md

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+create a number class and perform operations like add multiply and double on it

RadhikaKhanna_500086925/runner class for question 2/multiplicationTableRunner.java

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+package com.in28minutes.firstjavaproject;
+
+public class multiplicationTableRunner {
+
+	public static void main(String[] args){
+		multiplicationTable table= new multiplicationTable();
+		table.print(6,11,15);
+
+
+	}
+
+}

RadhikaKhanna_500086925/runner class for question 2/readme.md

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+Runner class for multiplication table

RadhikaKhanna_500086925/runner class for question 3/MotorbikeRunner2.java

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+package com.in28minutes.oops;
+
+public class MotorbikeRunner2 {
+
+	public static void main(String[] args) {
+		MotorBike honda=new MotorBike();
+		MotorBike bullet=new MotorBike();
+
+		bullet.start();
+		honda.start();
+
+		bullet.setSpeed(60);
+		honda.setSpeed(80);
+
+
+		bullet.decreaseSpeed(20);
+		honda.increaseSpeed(200);
+
+		System.out.println(bullet.getSpeed());
+		System.out.println(honda.getSpeed());
+
+
+	}
+
+}

RadhikaKhanna_500086925/runner class for question 3/readme.md

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+Runner class for motorbike

RadhikaKhanna_500086925/runner class for question 4/NumberRunner.java

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+package com.in28minutes.oops;
+
+public class NumberRunner {
+
+	public static void main(String[] args) {
+		Number numberr=new Number(4,5);
+		System.out.println(numberr.add());
+		System.out.println(numberr.multiply());
+		numberr.doubleValue();
+		System.out.println(numberr.getNo1());
+		System.out.println(numberr.getNo2());
+
+	}
+
+}

RadhikaKhanna_500086925/runner class for question 4/readme.md

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+runner class for question 4