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Describe the java.lang package ?
Each package describes a number of classes, exceptions, interfaces, and errors. For instance, in Java 1.1 the java.lang package holds these:
Interfaces in java.lang• Cloneable • Runnable Classes in java.lang• Boolean • Byte • Character • Class • ClassLoader • Compiler • Double • Float • Integer • Long • Math • Number • Object • Process • Runtime • SecurityManager • Short • String • StringBuffer • System • Thread • ThreadGroup • Throwable • Void Exceptions in java.lang• ArithmeticException • ArrayIndexOutOfBoundsException • ArrayStoreException • ClassCastException • ClassNotFoundException • CloneNotSupportedException • Exception • IllegalAccessException • IllegalArgumentException • IllegalMonitorStateException • IllegalStateException • IllegalThreadStateException • IndexOutOfBoundsException • InstantiationException • InterruptedException • NegativeArraySizeException • NoSuchFieldException • NoSuchMethodException • NullPointerException • NumberFormatException • RuntimeException • SecurityException • StringIndexOutOfBoundsException Errors in java.lang• AbstractMethodError • ClassCircularityError • ClassFormatError • Error • ExceptionInInitializerError • IllegalAccessError • IncompatibleClassChangeError • InstantiationError • InternalError • LinkageError • NoClassDefFoundError • NoSuchFieldError • NoSuchMethodError • OutOfMemoryError • StackOverflowError • ThreadDeath • UnknownError • UnsatisfiedLinkError • VerifyError • VirtualMachineError
What is the use of UnicastRemoteObject in RMI? Ans) The UnicastRemoteObject class gives support for point-to-point active object references using TCP streams. Objects that need
How is method overriding different from method overloading? Overriding involves the creation of two or more concepts with the same name and same signature in different classes
Object diagrams define instances instead of classes. They are useful for illustrating some complicated objects in detail about their recursive relationships. When
How Polylines draws in java language? Java automatically closes the polygons it draws. That is it draws polygons which look like the one on the right rather than the one on the
What should be public? What should be private? As a rule of thumb: Classes are public. Fields are private. Constructors are public. Getter and setter methods
what will be the logic? in C program #include float start_point, /* GLOBAL VARIABLES */ end_point, total_area; int numtraps; m
PS1 emulator for android There is an open source app known as psx4droid i want a developer to solve problems and bugs and doing performance improvement to source code to running
A device for validating the data a user inputs to a JavaServer Faces UI component.
Explain function system.arraycopy() ? Although copying an array isn't particularly hard, it is an operation that advantages from a native implementation. Thus java.lang.System
Vehicle Loan Application: Type Web-based Application Role Weblogic administrator + develop
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