java Exception
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The document provides an overview of methods in Java, describing their purpose, how they can return values, and the concept of code reuse. It explains that methods must be part of a class and includes an example code demonstrating the declaration and invocation of a method. Key points include the significance of return types and access modifiers.
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![youtube:Zooming | https://github.com/Soba-Arjun/
Calling a Method
Method to be invoked when,
Complete statement in the method
It reaches a return statement
Throws an exception
Based on access modifier, method can
be accessed.
class Addition {
int sum = 0;
public int addTwoInt(int a, int b){
sum = a + b;
return sum;
}
}
class GFG {
public static void main (String[] args){
Addition add = new Addition();
int s = add.addTwoInt(1,2);
System.out.println(s);
}
}](https://image.slidesharecdn.com/14-191011071014/85/java-Exception-4-320.jpg)
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java Exception
- 2. Methods youtube:Zooming | https://github.com/Soba-Arjun/ • It is a collection of statements that perform some specific task and return the result to the caller. • A method can perform some specific task without returning anything. • Methods allow us to reuse the code without retyping the code. • In Java, every method must be part of some class.
- 3. Method Declaration youtube:Zooming | https://github.com/Soba-Arjun/ • Data type values can return. • Void can’t return.
- 4. youtube:Zooming | https://github.com/Soba-Arjun/ Calling a Method Method to be invoked when, Complete statement in the method It reaches a return statement Throws an exception Based on access modifier, method can be accessed. class Addition { int sum = 0; public int addTwoInt(int a, int b){ sum = a + b; return sum; } } class GFG { public static void main (String[] args){ Addition add = new Addition(); int s = add.addTwoInt(1,2); System.out.println(s); } }