You can step through source code in the Java debugger in several ways. In this section we illustrate the different ways you can step through code using the serverMain( ) method.
When execution pauses at a line until you provide further instructions, we say that the execution breaks at the line. The line is a breakpoint. Stepping through code is a matter of setting explicit or implicit breakpoints in the code, and executing code to that breakpoint.
Following the previous section, the debugger should have stopped execution of JDBCExamples.serverMain( ) at the first statement: