Java’s String class encapsulates an array of bytes. ... Adding the new operator forces the creation of a new String in the memory heap. Thus, the JVM will create two different objects.

When you create a new object in Java,aClass a = new aClass();memory is dynamically allocated on the process's heap to store the object instance. A reference to this object is created on the stack ...

Figure 1 is a heap usage chart provided by JProbe. It gives a runtime summary of the heap memory in use over time as the Java EE application runs. The green area indicates the heap usage.

You can adjust the number of objects on the Java heap tracked by Flight Recorder by adjusting the old object queue size:-XX:FlightRecordingOptions=old-object-queue-size=512 JDK Mission Control memory ...

You can use the “jmap” tool to capture the heap dump. jmap prints heap memory details of a given process into a file. jmap tool is shipped with JDK. Here is how you should invoke it: jmap ...