Java Programming for Complete Beginners - Java 16 - Step 04 - String class - Exercise Solution and Some More Important M

The video tutorial covers various methods of the Java String class. It begins with a recap of a previous exercise on printing individual characters of a string using loops. The tutorial then explores methods to find substrings and specific characters within a string, including 'indexOf' and 'lastIndexOf'. It also discusses utility methods like 'contains', 'startsWith', 'endsWith', 'isEmpty', and 'equals', highlighting their usage and importance in string manipulation.

What method is used to determine the length of a string?

• string.size()

• string.length()

• string.count()

• string.measure()

Which method would you use to find the starting index of a substring within a string?

• string.locate()

• string.indexOf()

• string.search()

• string.find()

How can you find the index of the last occurrence of a character in a string?

• string.endIndex()

• string.reverseIndex()

• string.finalIndex()

• string.lastIndexOf()

Which method checks if a string contains a specific substring?

• string.contains()

• string.has()

• string.includes()

• string.exists()

What method would you use to verify if a string starts with a specific sequence?

• string.initiatesWith()

• string.opensWith()

• string.beginsWith()

• string.startsWith()

How can you check if a string is empty?

• string.isEmpty()

• string.isVoid()

• string.isBlank()

• string.isNull()

Which method allows you to compare two strings without considering case sensitivity?

• string.equalsIgnoreCase()

• string.compareIgnoreCase()

• string.matchIgnoreCase()

• string.checkIgnoreCase()