Explain the Execute phase of Java Program Development

Finally in phase computer, under the control of its CPU, interprets program one bytecode at a time.

Hence performing the actions specified by the program.

Programs may not work on the first try. Each of the preceding phases can fail due to various errors. This would cause java program to print an error message. Programmer would return to the edit phase, make necessary corrections and proceed through the remaining phases again to determine if corrections work properly.