# AP Computer Science A

GCSE

## KS3 Maths Study Notes, Practice Papers, Exam Tips

KS3 Maths Curriculum Map Careers using Maths Why study Maths Careers Snapshot – Maths Key Stage 3 Assessment Year 7: Maths – Key Assessments 1 – 6 Year 7: Maths
Basic Math

## Math Detailed Lesson Plan [DLP] for Grade 8, 9, 10 & 11

Unit 2 - Using Objects

## 2.9 Using the Math Class

The Math class in Java provides a comprehensive collection of mathematical operations and constants. It's part of the java.lang package, which is automatically imported, so you don't need to manually
Unit 2 - Using Objects

## 2.8 Wrapper Classes: Integer and Double

In Java, wrapper classes provide a way to use primitive data types (int, double, etc.) as objects. This is particularly useful because, in Java, everything revolves around objects. The primitive
Unit 2 - Using Objects

## 2.7 String Methods

The String class in Java provides a wide array of methods to manipulate and examine strings. These methods make it easier to perform common operations such as searching within strings,
Unit 2 - Using Objects

## 2.6 String Objects: Concatenation, Literals, and More

Strings in Java are objects that represent sequences of characters. The String class in Java is used to create and manipulate string data. Here are some key concepts and operations
Unit 2 - Using Objects

## 2.5 Calling a Non-void Method

Calling a non-void method in Java involves invoking a method that returns a value, which can be of any data type other than void. Such methods perform operations and return
Unit 2 - Using Objects

## 2.4 Calling a Void Method with Parameters

Calling a void method with parameters in Java follows the same basic principle as calling any method, but since it's a void method, it does not return any value. The
Unit 2 - Using Objects

## 2.3 Calling a Void Method

In Java, methods can perform actions but not return any value. These methods are declared with the void keyword. Calling a void method simply involves using the method's name followed
Unit 2 - Using Objects

## 2.2 Creating and Storing VAR Objects (Instantiation)

In Java, the process of creating objects from classes is known as instantiation, and each created object is an instance of its class. Objects are the runtime entities that represent