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What does the arrow operator, '->', do in Java? - Stack Overflow
Details: Java 6, Apache Commons Collection, IntelliJ 12. Update/Answer: It turns out that IntelliJ 12 supports Java 8, which supports lambdas, and is "folding" Predicates and displaying them …
in java what does the @ symbol mean? - Stack Overflow
Aug 5, 2015 · In Java Persistence API you use them to map a Java class with database tables. For example @Table() Used to map the particular Java class to the date base table. @Entity …
Setting the default Java character encoding - Stack Overflow
By setting the (Windows) environment variable JAVA_TOOL_OPTIONS to -Dfile.encoding=UTF8, the (Java) System property will be set automatically every time a JVM is started. You will know …
What does the ^ operator do in Java? - Stack Overflow
Jan 2, 2010 · Exponentiation in Java. As for integer exponentiation, unfortunately Java does not have such an operator. You can use double Math.pow(double, double) (casting the result to int …
What is the Java ?: operator called and what does it do?
In particular, if Java ever gets another ternary operator, people who use the term "conditional operator" will still be correct and unambiguous - unlike those who just say "ternary operator". …
How can I use pointers in Java? - Stack Overflow
Nov 17, 2009 · Yup, Java certainly has pointers behind the variables. It is just that developers dont have to deal with them because java is doing the magic for this behind the scenes. This …
Proper usage of Java -D command-line parameters
You're giving parameters to your program instead to Java. Use. java -Dtest="true" -jar myApplication.jar instead. Consider using …
java - How to run a JAR file - Stack Overflow
Dec 4, 2016 · java -jar myjar.jar - is the default option to run application; java -cp my-class-path my-main-class or java -classpath my-class-path my-main-class; java --module-path my …
java - How do I set the proxy to be used by the JVM - Stack …
Sep 23, 2008 · JAVA_FLAGS=-Dhttp.proxyHost=10.0.0.100 -Dhttp.proxyPort=8800 java ${JAVA_FLAGS} ... When using containers such as JBoss or WebLogic, my solution is to edit …
What are the -Xms and -Xmx parameters when starting JVM?
Feb 7, 2013 · -Xss<size> set java thread stack size -Xprof output cpu profiling data -Xfuture enable strictest checks, anticipating future default -Xrs reduce use of OS signals by Java/VM …
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