Learn Java from Scratch - A Beginner's Guide - Step 04 - String Class - Exercise Solution and Some More Important Method

Learn Java from Scratch - A Beginner's Guide - Step 04 - String Class - Exercise Solution and Some More Important Method

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Hard

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This video tutorial covers advanced methods of the String class in Java. It begins with a recap of a previous exercise, demonstrating how to print each character of a string on separate lines using a loop. The tutorial then explores various methods to find the index of characters or substrings, such as indexOf and lastIndexOf. It also discusses methods to check if a string contains a specific substring, starts or ends with a particular sequence, and compares strings using equals and equalsIgnoreCase. The video concludes with a summary and a preview of the next topic, which will focus on modifying string values.

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3 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe how to determine if a string starts or ends with a specific substring.

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

How can you check if a string is empty?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the difference between the 'equals' method and 'equalsIgnoreCase' method?

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