Question

please tell me yarr please if anyone give me answer then I will start following you​

Answer 1

Answer:

i know only first one

Explanation:

Successfully compiled files program files in BlueJ

You can tell from the shade of a program icon in BlueJ whether the program has been successfully compiled (translated)

Icon shades:

Shaded: this program has not been compiled successfully



Unshaded: this program has been compiled successfully



Compiling (translating) your Java program with BlueJ

You can compile (= translate) a Java program in BlueJ in 2 different ways:

From BlueJ's editor window:



Left click on the Compile button

From BlueJ's main window:



Right click on the program file and then left click of the Compile menu button

When the program is compiled successfully, the icon in the main window (associated with the program) become unshaded:



Running a (successfully compiled) Java program with BlueJ

Execute a Java program in BlueJ:

Right click on the program file in BlueJ's main window, and then

Left click on the void main(String[]args) tab:



A window will pop up:



Left click on OK to run the program.

Result: the output of the program is shown in BlueJ's "terminal" window: