Java Interview Guide : 200+ Interview Questions and Answers - Java New Features - Java 5, 6, 7 and 8

The video provides an overview of new features introduced in various Java versions. Java 5 brought annotations, generics, and concurrent collections. Java 6 had minor API changes. Java 7 introduced the diamond operator, switch on strings, and try-with-resources. Java 8 focused on functional programming with Lambda expressions and streams, and introduced the Nashorn JavaScript engine.

Which feature introduced in Java 5 allows you to use a function without specifying the class name?

• Concurrent Collections

• Static Imports

• Generics

• Annotations

What was a major change in Java 7 regarding switch statements?

• Switch statements can now use booleans.

• Switch statements can now use arrays.

• Switch statements can now use floats.

• Switch statements can now use strings.

What is the purpose of the diamond operator introduced in Java 7?

• To allow multiple inheritance

• To simplify the syntax of generics

• To enable lambda expressions

• To improve exception handling

Which feature in Java 7 allows handling multiple exceptions in a single catch block?

• Multiple exception handling

• Enhanced for loop

• Diamond operator

• Try-with-resources

What is a key feature of Java 8 that significantly changed programming paradigms?

• Diamond operator

• Static imports

• Lambda expressions

• Annotations

What is Nashorn, introduced in Java 8?

• A new garbage collector

• A JavaScript engine

• A new exception handling mechanism

• A type of lambda expression

Which Java version is considered the most significant release after the initial version, according to the video?

• Java 6

• Java 7

• Java 8

• Java 5