Task-22/01/2025

Task 1:
Assignment – 0: static, non-static

1. Create a class Called Theatre.
2. Declare below global variables in it. 2.1. String movieName 2.2. int movie_time
3. Add main method
4. Inside main method, create two instances (objects), 4.1 movie1 4.2 movie2
5. For instance movie1, add ‘Jailer’ as movieName and 630 as movie_time
6. For instance movie2, add ‘Leo’ as movieName and 7 as movie_time
7. Create and define a method as below. public void watch_movie() { System.out.println(“Watching ” + movieName); System.out.println(“Show Time is ” +movie_time); }
8. Call above method using both the instances – movie1, movie2.
9. Go through and record your observations.

package B14;
public class Theatre {
    String movieName;
    int movie_time;
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        Theatre movie1 = new Theatre();
        movie1.movieName = "Jailer";
        movie1.movie_time = 630;
        Theatre movie2 = new Theatre();
        movie2.movieName = "leo";
        movie2.movie_time = 7;
        movie1.watch_movie();
        movie2.watch_movie();
    }
    public void watch_movie() {
        System.out.println("watching " + movieName);
        System.out.println("movei_time " + movie_time);
    }
}
package B14;

public class Theatre {
    String movieName;
    int movie_time;

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        Theatre movie1 = new Theatre();
        movie1.movieName = "Jailer";
        movie1.movie_time = 630;
        Theatre movie2 = new Theatre();
        movie2.movieName = "leo";
        movie2.movie_time = 7;
        movie1.watch_movie();
        movie2.watch_movie();
    }

    public void watch_movie() {
        System.out.println("watching " + movieName);
        System.out.println("movei_time " + movie_time);
    }
}
package B14;

public class Theatre {
    String movieName;
    int movie_time;

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        Theatre movie1 = new Theatre();
        movie1.movieName = "Jailer";
        movie1.movie_time = 630;
        Theatre movie2 = new Theatre();
        movie2.movieName = "leo";
        movie2.movie_time = 7;
        movie1.watch_movie();
        movie2.watch_movie();
    }

    public void watch_movie() {
        System.out.println("watching " + movieName);
        System.out.println("movei_time " + movie_time);
    }
}

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Output:

watching Jailer
movei_time 630
watching leo
movei_time 7
watching Jailer
movei_time 630
watching leo
movei_time 7
watching Jailer
movei_time 630
watching leo
movei_time 7

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Task 2:
return statement

1. Create a class called EB_Reading
2. Have main method in it.
3. Create an object called assessor.
4. Using assessor instance, call a method named ‘reading’.
5. ‘reading’ method should return consumed units in int.
6. Store the returned value as ‘consumed_units’.
7. Using the same ‘assessor’ instance, call a method named as ‘calculate’.
8. Pass ‘consumed_units’ as argument to calculate.
9. Based on the consumed_units value, find out How much Customer should pay.
10. Print Payment value.

package B14;
public class Eb_reading {
    int unit;
    static int a = 10;
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        Eb_reading assessor = new Eb_reading();
        int unit = assessor.reading();
        System.out.println("Unit" + unit);
        assessor.calculate(unit);
    }
    private void calculate(int b) {
        // TODO Auto-generated method stub
        int c = a * b;
        System.out.println("total" + c);
    }
    private int reading() {
        // TODO Auto-generated method stub
        return 30;
    }
}
package B14;

public class Eb_reading {
    int unit;
    static int a = 10;

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        Eb_reading assessor = new Eb_reading();
        int unit = assessor.reading();
        System.out.println("Unit" + unit);
        assessor.calculate(unit);

    }

    private void calculate(int b) {
        // TODO Auto-generated method stub
        int c = a * b;
        System.out.println("total" + c);
    }

    private int reading() {
        // TODO Auto-generated method stub
        return 30;
    }

}
package B14;

public class Eb_reading {
    int unit;
    static int a = 10;

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        Eb_reading assessor = new Eb_reading();
        int unit = assessor.reading();
        System.out.println("Unit" + unit);
        assessor.calculate(unit);

    }

    private void calculate(int b) {
        // TODO Auto-generated method stub
        int c = a * b;
        System.out.println("total" + c);
    }

    private int reading() {
        // TODO Auto-generated method stub
        return 30;
    }

}

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Output:

Unit30
total300
Unit30
total300
Unit30
total300

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Task 3:

Add Methods in Calculator

public class Calculator
{

public static void main(String[] args)
{
Calculator calc = new Calculator();
calc.add();

}
public void add()
{
System.out.println(10+20);
}

}

//subtract()

//multiply()

//divide()

package B14;

public class Calculator {
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        Calculator calc = new Calculator();
        calc.add(10, 30);
        calc.sub(50, 90);
        calc.multi(90, 80);
        calc.divide(100, 90);
    }
    public void add(int a, int b) {
        int c = a + b;
        System.out.println(c);
    }
    public void sub(int a, int b) {
        int c = a - b;
        System.out.println(c);
    }
    public void multi(int a, int b) {
        int c = a * b;
        System.out.println(c);
    }
    public void divide(int a, int b) {
        int c = a % b;
        System.out.println(c);
    }
}
public class Calculator {

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        Calculator calc = new Calculator();
        calc.add(10, 30);
        calc.sub(50, 90);
        calc.multi(90, 80);
        calc.divide(100, 90);
    }

    public void add(int a, int b) {
        int c = a + b;
        System.out.println(c);
    }

    public void sub(int a, int b) {
        int c = a - b;
        System.out.println(c);
    }

    public void multi(int a, int b) {
        int c = a * b;
        System.out.println(c);
    }

    public void divide(int a, int b) {
        int c = a % b;
        System.out.println(c);
    }
}
public class Calculator {

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        Calculator calc = new Calculator();
        calc.add(10, 30);
        calc.sub(50, 90);
        calc.multi(90, 80);
        calc.divide(100, 90);
    }

    public void add(int a, int b) {
        int c = a + b;
        System.out.println(c);
    }

    public void sub(int a, int b) {
        int c = a - b;
        System.out.println(c);
    }

    public void multi(int a, int b) {
        int c = a * b;
        System.out.println(c);
    }

    public void divide(int a, int b) {
        int c = a % b;
        System.out.println(c);
    }
}

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Output:

40
-40
7200
10
40
-40
7200
10
40
-40
7200
10

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原文链接：Task-22/01/2025