java Programming Glossary: javap

Reasons of getting a java.lang.VerifyError

http://stackoverflow.com/questions/100107/reasons-of-getting-a-java-lang-verifyerror

throws Exception I already tried looking to it with javap and that gives the method signature as it should be. When my..

how to check the jdk version used to compile a .class file [duplicate]

http://stackoverflow.com/questions/1096148/how-to-check-the-jdk-version-used-to-compile-a-class-file

for this on the command line for a class called MyClass javap verbose MyClass You want the major version from the results...

Which loop has better performance? Why?

http://stackoverflow.com/questions/110083/which-loop-has-better-performance-why

you disassemble code the compiled from each with the JDK's javap tool you will see that the loop compiles to the exact same JVM..

Is String Literal Pool a collection of references to the String Object, Or a collection of Objects

http://stackoverflow.com/questions/11700320/is-string-literal-pool-a-collection-of-references-to-the-string-object-or-a-co

it text to distinguish it from string . Finally I'll show javap c verbose output together with constant pool for my test class... pool. They are not quite the same. See also Understanding javap's output for the Constant Pool . Prerequisites For the purpose..

Java API to find out the JDK version a class file is compiled for?

http://stackoverflow.com/questions/1293308/java-api-to-find-out-the-jdk-version-a-class-file-is-compiled-for

a class file is compiled for Of course there is the javap tool to find out the major version as mentioned in here . However..

traditional for loop vs Iterator in Java

http://stackoverflow.com/questions/1879255/traditional-for-loop-vs-iterator-in-java

snip using iterator internally confirm it yourself using javap c for T obj collection snip Iterator is faster for collections..

length and length() in java

http://stackoverflow.com/questions/1965500/length-and-length-in-java

a way the not so important part of the byte code running javap c on the class results in the following for the two last lines..

Unreachable code error vs. dead code warning in Java under Eclipse?

http://stackoverflow.com/questions/2141029/unreachable-code-error-vs-dead-code-warning-in-java-under-eclipse

bar if false return System.out.println bar javap c says public class Test extends java.lang.Object public Test..

Tool to read and display Java .class versions

http://stackoverflow.com/questions/27065/tool-to-read-and-display-java-class-versions

reason . java share improve this question Use the javap tool that comes with the JDK. The verbose option will print.. option will print the version number of the class file. javap verbose MyClass Compiled from MyClass.java public class MyClass.. 0 major version 46 ... To only show the version WINDOWS javap verbose MyClass find version LINUX javap verbose MyClass grep..

Why is an anonymous inner class containing nothing generated from this code?

http://stackoverflow.com/questions/2883181/why-is-an-anonymous-inner-class-containing-nothing-generated-from-this-code

class OuterClass 1 extends java.lang.Object And here's javap c for OuterClass.class Compiled from OuterClass.java public..

Is 1/0 a legal Java expression?

http://stackoverflow.com/questions/2934063/is-1-0-a-legal-java-expression

Eclipse the above snippet generates the following bytecode javap c Div0 Compiled from Div0.java public class Div0 extends java.lang.Object..

Is this valid Java?

http://stackoverflow.com/questions/3110014/is-this-valid-java

integer Here is the Java bytecode generated javap c RealyCompilesAndRunsFine Compiled from RealyCompilesAndRunsFine.java..

How to convert from int to String?

http://stackoverflow.com/questions/4105331/how-to-convert-from-int-to-string

int i 5 String strI i simon@lucifer ~ javac TestClass.java javap c TestClass Compiled from TestClass.java public class TestClass..

Concatenating null strings in Java

http://stackoverflow.com/questions/4260723/concatenating-null-strings-in-java

s prints nullhello You can do so yourself by using javap c The append methods of StringBuilder all handle null just fine...

String concatenation: concat() vs + operator

http://stackoverflow.com/questions/47605/string-concatenation-concat-vs-operator

cat String a String b a b return a Now disassemble with javap c included in the Sun JDK . You should see a listing including..

for loop optimization

http://stackoverflow.com/questions/6093537/for-loop-optimization

Flower flower flowers .. I have dumped instructions using javap for following code public void forLoop1 List String lst new..

Accessing Java static final ivar value through reflection

http://stackoverflow.com/questions/850148/accessing-java-static-final-ivar-value-through-reflection

Output CONST_INT 100 CONST_STRING String CONST_OBJECT xyz javap c output Compiled from ReflectionConstantTest.java public class..