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java Programming Glossary: referencetype

Is there a simple way of obtaining all object instances of a specific class in Java

http://stackoverflow.com/questions/1947122/is-there-a-simple-way-of-obtaining-all-object-instances-of-a-specific-class-in-j

check out the instances method of org.eclipse.jdi.internal.ReferenceTypeImpl . A simpler way is to use the Java Debug Interface . Note.. simpler way is to use the Java Debug Interface . Note the ReferenceType.instances method. I still haven't figured out how to use JDI.. to a running process and how to obtain an instance of ReferenceType . The JDK contains several examples so I'm sure it's doable...

instanceof - incompatible conditional operand types

http://stackoverflow.com/questions/2551337/instanceof-incompatible-conditional-operand-types

RelationalExpression RelationalExpression instanceof ReferenceType If a cast of the RelationalExpression to the ReferenceType would.. ReferenceType If a cast of the RelationalExpression to the ReferenceType would be rejected as a compile time error then the instanceof..

What is null in Java?

http://stackoverflow.com/questions/2707322/what-is-null-in-java

RelationalExpression RelationalExpression instanceof ReferenceType At run time the result of the instanceof operator is true if.. is not null and the reference could be cast to the ReferenceType without raising a ClassCastException . Otherwise the result..

Is null check needed before calling instanceof

http://stackoverflow.com/questions/2950319/is-null-check-needed-before-calling-instanceof

is not null and the reference could be cast §15.16 to the ReferenceType without raising a ClassCastException. Otherwise the result is..

Any idea why I need to cast an integer literal to (int) here?

http://stackoverflow.com/questions/7900198/any-idea-why-i-need-to-cast-an-integer-literal-to-int-here

. CastExpression PrimitiveType Dims opt UnaryExpression ReferenceType UnaryExpressionNotPlusMinus As you can see casting to a primitive..