Step Into 
 Select the Step Into  command [  ] to step into the next method call at the currently executing line of code.
 ] to step into the next method call at the currently executing line of code. 
To step into a method you must have execution suspended and be stepping through code. 
  Debugger
  Local debugging
  Remote debugging
  Changing debugger launch options
  Connecting to a remote VM with the Remote Java application launch configuration
  Disconnecting from a VM
  Launching a Java program
  Preparing to debug
  Resuming the execution of suspended threads
  Running and debugging
  Stepping through the execution of a program
  Suspending threads
  Debug View
  Debug preferences
  Execution Control Commands
  Run Menu
  Step Return
  Step Over