Q2: Different packages and access modifiers Note: ClassA and ClassB in this question are in two different packages, while in the previous question, they were in the same package. package package_02; public class ClassB { public int x = 1; int y = 2; private int z =3; } package package_01; import package_02.ClassB; public class ClassA { public static void main(String[] args) { ClassB cb = new ClassB(); !! System.out.print(cb.x); /* 1 */ // System.out.print(cb.y); /* 2 */ // System.out.print(cb.z); /* 3 */ } } 2.1- Which statement(s) are true? Choose all that apply. a. If statement 1 is uncommented, the code prints "1" to the output. b. If statement 2 is uncommented, the code prints "2" to the output. c. If statement 3 is uncommented, the code prints "3" to the output. d. This code does not compile. 2.2- Try to do the following: • Declare an integer variable called mylnt in the ClassB; the variable mylnt should be accessible through the object cb. • Write a statement in ClassA to check out the accessibility of your variable.
Q2: Different packages and access modifiers Note: ClassA and ClassB in this question are in two different packages, while in the previous question, they were in the same package. package package_02; public class ClassB { public int x = 1; int y = 2; private int z =3; } package package_01; import package_02.ClassB; public class ClassA { public static void main(String[] args) { ClassB cb = new ClassB(); !! System.out.print(cb.x); /* 1 */ // System.out.print(cb.y); /* 2 */ // System.out.print(cb.z); /* 3 */ } } 2.1- Which statement(s) are true? Choose all that apply. a. If statement 1 is uncommented, the code prints "1" to the output. b. If statement 2 is uncommented, the code prints "2" to the output. c. If statement 3 is uncommented, the code prints "3" to the output. d. This code does not compile. 2.2- Try to do the following: • Declare an integer variable called mylnt in the ClassB; the variable mylnt should be accessible through the object cb. • Write a statement in ClassA to check out the accessibility of your variable.
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Question
![Q2: Different packages and access modifiers
Note: ClassA and ClassB in this question are in two different packages, while in
the previous question, they were in the same package.
package package_02;
public class ClassB {
public int x = 1;
int y = 2;
private int z =3;
}
package package_01;
import package_02.ClassB;
public class ClassA {
public static void main(String[] args) {
ClassB cb = new ClassB();
!! System.out.print(cb.x); /* 1 */
// System.out.print(cb.y); /* 2 */
// System.out.print(cb.z); /* 3 */
}
}
2.1- Which statement(s) are true? Choose all that apply.
a. If statement 1 is uncommented, the code prints "1" to the output.
b. If statement 2 is uncommented, the code prints "2" to the output.
c. If statement 3 is uncommented, the code prints "3" to the output.
d. This code does not compile.
2.2- Try to do the following:
• Declare an integer variable called mylnt in the ClassB; the variable
mylnt should be accessible through the object cb.
• Write a statement in ClassA to check out the accessibility of your
variable.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9949f4f9-dba4-4adb-921e-18c9c426c1e0%2Fb5abc465-b6fb-4524-a96f-e32b4cfa95c0%2Fwhofeac_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Q2: Different packages and access modifiers
Note: ClassA and ClassB in this question are in two different packages, while in
the previous question, they were in the same package.
package package_02;
public class ClassB {
public int x = 1;
int y = 2;
private int z =3;
}
package package_01;
import package_02.ClassB;
public class ClassA {
public static void main(String[] args) {
ClassB cb = new ClassB();
!! System.out.print(cb.x); /* 1 */
// System.out.print(cb.y); /* 2 */
// System.out.print(cb.z); /* 3 */
}
}
2.1- Which statement(s) are true? Choose all that apply.
a. If statement 1 is uncommented, the code prints "1" to the output.
b. If statement 2 is uncommented, the code prints "2" to the output.
c. If statement 3 is uncommented, the code prints "3" to the output.
d. This code does not compile.
2.2- Try to do the following:
• Declare an integer variable called mylnt in the ClassB; the variable
mylnt should be accessible through the object cb.
• Write a statement in ClassA to check out the accessibility of your
variable.
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