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Mona Dube

Asked: 3 years agoIn: Java

Which of the following is used to rollback a JDBC transaction?

(a) rollback()

(b) rollforward()

(c) deleteTransaction()

(d) RemoveTransaction()

Pradeep Panchal

Asked: 3 years agoIn: Java

Which of these packages contains all the event handling interfaces?

(a) java.lang

(b) java.awt

(c) java.awt.event

(d) java.event

Ananya Baber Nadig

Asked: 3 years agoIn: Java

Which of these interface handle sequences?

(a) Set

(b) List

(c) Comparator

(d) Collection

Alaknanda Ravi

Asked: 3 years agoIn: Java

Annotations which are applied to other annotations are called meta annotations.

(a) True

(b) False

The question was posed to me in an international level competition.

This key question is from Annotations topic in section Application Lifecycle & Annotations of Java

Arvind Gole

Asked: 3 years agoIn: Java

Which of the below is not a valid design pattern?

(a) Singleton

(b) Factory

(c) Command

(d) Java

Bhairavi Raman

Asked: 3 years agoIn: Java

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

(a) method overloading

(b) method overriding

(c) method hiding

(d) none of the mentioned

Kalyan Raj Hans

Asked: 3 years agoIn: Java

Which of these methods are used to read in from file?

(a) get()

(b) read()

(c) scan()

(d) readFileInput()

Anshu Sachdev

Asked: 3 years agoIn: Java

What is the extension of compiled java classes?

(a) .class

(b) .java

(c) .txt

(d) .js

Parminder Garg

Asked: 3 years agoIn: Java

Which of these methods is used to notify observer the change in observed object?

(a) update()

(b) notify()

(c) check()

(d) observed()

Akhil Raj Ramroop

Asked: 3 years agoIn: Java

What is the premise of equality for IdentityHashMap?

(a) Reference equality

(b) Name equality

(c) Hashcode equality

(d) Length equality

Load More Questions

Java

Which of the following is used to rollback a JDBC transaction?

(a) rollback()

(b) rollforward()

(c) deleteTransaction()

(d) RemoveTransaction()

Which of these packages contains all the event handling interfaces?

(a) java.lang

(b) java.awt

(c) java.awt.event

(d) java.event

Which of these interface handle sequences?

(a) Set

(b) List

(c) Comparator

(d) Collection

Annotations which are applied to other annotations are called meta annotations.

(a) True

(b) False

The question was posed to me in an international level competition.

This key question is from Annotations topic in section Application Lifecycle & Annotations of Java

Which of the below is not a valid design pattern?

(a) Singleton

(b) Factory

(c) Command

(d) Java

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

(a) method overloading

(b) method overriding

(c) method hiding

(d) none of the mentioned

Which of these methods are used to read in from file?

(a) get()

(b) read()

(c) scan()

(d) readFileInput()

What is the extension of compiled java classes?

(a) .class

(b) .java

(c) .txt

(d) .js

Which of these methods is used to notify observer the change in observed object?

(a) update()

(b) notify()

(c) check()

(d) observed()

What is the premise of equality for IdentityHashMap?

(a) Reference equality

(b) Name equality

(c) Hashcode equality

(d) Length equality

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