Debugging programs in java with answers

You can set various line breakpoints, conditional breakpoints, and exception breakpoints. Eclipse also provides support for remote debugging. A conditional breakpoint is a better approach if you are working with the Java programming language and debugging your code in Eclipse IDE. Eclipse allows you to use conditional breakpoints in order to remove bugs in the program code. You are required to set up a breakpoint on a line inside the loop only when the value of the element li is equal to a specific value.

To set up a conditional breakpoint, use the following steps:. So when the specified condition is true, the program will stop but not otherwise.

The program is now executing in the debug mode. While debugging Java program code in Eclipse, you are often encountered with a NullPointerException error. Sometimes you are not aware of the origin of the error, which can be frustrating. Developers of Eclipse have provided with a solution for such issues in the form of exception breakpoints.

You can see that there is a button labeled J! This button is used to put an exception breakpoint in the program code. The execution of the program will stop whenever the specified exception occurs. The watchpoint is a breakpoint set up on a field or variable. It is the best feature of the Eclipse IDE. Each time the targeted field or variable is accessed or changed, the execution of the program will get stop and then you can debug.

While performing Step Into during debugging process, sometimes it happens that the control of the program goes from one class to other class and eventually, you are moved to the external libraries or JDK classes like System or String. In case you do not want to move to the JDK classes or external libraries, then step filtering is used. This feature will assist you in skipping some particular packages during the debugging process.

Later, if you want to enable or disable the step filtering option, you can do it from the Debug window. This is another good feature of the Eclipse IDE. This feature will enable you to check the value of expressions while debugging Java programs.

All you need to do is right-click the statement and click on inspect. It will show you the value of the selected expression during the debugging process. Your program contains infinite loop, which may never break.

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