Given a method in a protected class, what access modifier do you us
Practice Language Fundamentals –
Given a method in a protected class, what access modifier do you use to restrict access to that method to only the other members of the same class?
Which of the following class level (nonlocal) variable declarations
Practice Language Fundamentals –
Which of the following class level (nonlocal) variable declarations will not compile?
You want a class to have access to members of another class in the
Practice Language Fundamentals –
You want a class to have access to members of another class in the same package. Which is the most restrictive access that accomplishes this objective?
What is the most restrictive access modifier that will allow member
Practice Language Fundamentals –
What is the most restrictive access modifier that will allow members of one class to have access to members of another class in the same package?
You want subclasses in any package to have access to members of a s
Practice Language Fundamentals –
You want subclasses in any package to have access to members of a superclass. Which is the most restrictive access that accomplishes this objective?
A variable defined within a block is visible.
Practice Language Fundamentals –
A variable defined within a block is visible.
Practice Language Fundamentals –
What will be the output of the program?
class Equals {
public static void main(String [] args) {
int x = 100;
double y = 100.1;
boolean b = (x = y); /* Line 7 */
System.out.println(b);
}
}
Practice Language Fundamentals –
What will be the output of the program?
class Test {
public static void main(String [] args) {
Test p = new Test();
p.start();
}
void start() {
boolean b1 = false;
boolean b2 = fix(b1);
System.out.println(b1 + " " + b2);
}
boolean fix(boolean b1) {
b1 = true;
return b1;
}
}
What is the widest valid returnType for methodA in line 3?
Practice Language Fundamentals –
What is the widest valid returnType for methodA in line 3?
public class ReturnIt {
returnType methodA(byte x, double y) /* Line 3 */ {
return (long)x / y * 2;
}
}
Which is a valid declarations of a String?
Practice Language Fundamentals –
Which is a valid declarations of a String?
Which three are valid declarations of a float?
Practice Language Fundamentals –
Which three are valid declarations of a float?
Which one is a valid declaration of a boolean?
Practice Language Fundamentals –
Which one is a valid declaration of a boolean?
A variable defined within a block is visible.
Practice Language Fundamentals –
A variable defined within a block is visible.
Which of these keywords can be used to prevent Method ove
Practice Language Fundamentals –
Which of these keywords can be used to prevent Method overriding?
Which is a valid keyword in Java?
Practice Language Fundamentals –
Which is a valid keyword in Java?