java create an application that will have only one button and a text of hello world when the user click the button hello world text will randomly change color every half second and if the user click...

java

create an application that will have only one button and a text of hello world when the user click the button hello world text will randomly change color every half second and if the

user click on the button again the text will stop changing color the button set to "begin" and "pause".