MCAB1

MCAB1

University

12 Qs

quiz-placeholder

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Tin học 7 Bài 1. Chương trình bảng tính là gì?

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MCAB1

MCAB1

Assessment

Quiz

Computers

University

Practice Problem

Hard

Created by

Sobhana Behera

Used 1+ times

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12 questions

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1.

OPEN ENDED QUESTION

30 sec • Ungraded

Name

Evaluate responses using AI:

OFF

2.

OPEN ENDED QUESTION

30 sec • Ungraded

Roll No

Evaluate responses using AI:

OFF

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the process of defining two or more methods within same class that have same name but different parameters declaration?

method overloading
b) method overriding
c) method hiding
d) none of the mentioned

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What will be the output of the following Java code? class San { public void m1 (int i,float f) { System.out.println(" int float method"); } public void m1(float f,int i); { System.out.println("float int method"); } public static void main(String[]args) { San s=new San(); s.m1(20,20); } } `

int float method

b) float int method

c) compile time error

d) run time error

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What will be the output of the following Java code? class overload { int x; double y; void add(int a , int b) { x = a + b; } void add(double c , double d) { y = c + d; } overload() { this.x = 0; this.y = 0; } } class Overload_methods { public static void main(String args[]) { overload obj = new overload(); int a = 2; double b = 3.2; obj.add(a, a); obj.add(b, b); System.out.println(obj.x + " " + obj.y); } }

6 6
b) 6.4 6.4
c) 6.4 6
d) 4 6.4

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of this keyword can be used in a subclass to call the constructor of superclass?

super
b) this
c) extent
d) extends

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of these keywords can be used to prevent Method overriding?

static
b) constant
c) protected
d) fina

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