Best answer: Can I pass an array as arguments to a method with variable arguments in Java?

Can array be passed as an argument to a method parameter?

Arrays can be passed as arguments to method parameters. Because arrays are reference types, the method can change the value of the elements.

How do you pass an array to a method in Java?

To pass an array to a function, just pass the array as function’s parameter (as normal variables), and when we pass an array to a function as an argument, in actual the address of the array in the memory is passed, which is the reference.

Can we pass array as argument in Java?

You can pass arrays to a method just like normal variables. When we pass an array to a method as an argument, actually the address of the array in the memory is passed (reference). Therefore, any changes to this array in the method will affect the array.

When you pass an array into a function as an argument?

Explanation: In C language when we pass an array as a function argument, then the Base address of the array will be passed.

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When array is passed to a method then?

When we pass the address of an array while calling a function then this is called function call by reference.

Can a method return an array?

A method can return a reference to an array. The return type of a method must be declared as an array of the correct data type.

How do you pass an array into a method?

Passing Array To The Method In Java

Arrays can be passed to other methods just like how you pass primitive data type’s arguments. To pass an array as an argument to a method, you just have to pass the name of the array without square brackets. The method prototype should match to accept the argument of the array type.

When an array is passed to a method will the content of the array undergo changes?

If we make a copy of array before any changes to the array the content will not change. Else the content of the array will undergo changes.

Can we return an array in Java?

We can return an array in Java. Below is a Java program to demonstrate the same. We can use Pair in Java to return two values. We can encapsulate all returned types into a class and then return an object of that class.

What is a Java array?

An array in Java is a set of variables referenced by using a single variable name combined with an index number. Each item of an array is an element. All the elements in an array must be of the same type. … An int array can contain int values, for example, and a String array can contain strings.

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How do you pass an array as a command line argument in Java?

If you are using Eclipse then this is done under Project->Run Configurations/Debug Configurations . Click the Arguments tab and enter your arguments in the Program arguments box. The String args[] contains all the arguments you pass to a Java program when you start it with a command line.

What is array syntax in Java?

Arrays are used to store multiple values in a single variable, instead of declaring separate variables for each value. To declare an array, define the variable type with square brackets: String[] cars; We have now declared a variable that holds an array of strings.

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