I want to use an array in a method that got created in another method of the same class.
public class Class1 {
public static String[] method1() {
String[] array = new String[5];
array[0] = "test";
return array;
}
public void method2() {
System.out.println(array[0]);
}
}
can do it like below for example:
public class Class1 {
public static String[] method1() {
String[] array = new String[5];
array[0] = "test";
return array;
}
public void method2(String[] array) {
System.out.println(array[0]);
}
public static void main(String[] args){
Class1 obj = new Class1();
obj.method2(method1());
}
}
or call the method in method2
public class Class1 {
public static String[] method1() {
String[] array = new String[5];
array[0] = "test";
return array;
}
public void method2() {
String[] array = Class1.method1();
System.out.println(array[0]);
}
public static void main(String[] args){
Class1 obj = new Class1();
obj.method2();
}
}
The array in the method1 is just a local variable, so it cannot be used in class2 directly. If you want to use that "array", you can just invoke method1(). And it returns the array, then you can use it. e.g.
String[] array2 = method1();
System.out.println(array2[0]);
Simply declare it outside of your methods, like this: String[] array;
So, your code would look like this:
public class Class1 {
public static String[] method1() {
array = new String[5];
array[0] = "test";
return array;
}
public static void main(String[] args) {
System.out.println(Arrays.toString(method1())); // Converts array to string
}
static String[] array; // Declaring global variable
}
The output should look like this: [test, null, null, null, null]
