The following Java exercise(s) are designed for intermediate level programmers. If the level is too hard, then I recommend to select an easier one or you might consider reading my article about this topic, which offers a theoretical explanation including more exercises. Read More: Java Constructors
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Article: Java constructors Quizzes: Beginner Intermediate Advanced |
Quiz 1: Using constructors and the keyword “this” in Java.
What is written to the standard output as the result of executing the following code?
public class MyClass {
int x = 3;
int y = 5;
MyClass() {
x += 1;
System.out.print("-x" + x);
}
MyClass(int i) {
this();
this.y = i;
x += y;
System.out.print("-x" + x);
}
MyClass(int i, int i2) {
this(3);
this.x -= 4;
System.out.print("-x" + x);
}
public static void main(String[] args){
MyClass mc1 = new MyClass(4,3);
}
}
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Article: Java constructors Quizzes: Beginner Intermediate Advanced |
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Sar Maroof is a professional software development teacher, gives master classes and publishes technical articles. He is also an expert software developer and worked for several big as well as small companies and later as a freelancer. |
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