What is the Java ?: operator called and what does it do?
Not only in Java, this syntax is available within PHP, Objective-C too. In the following link it gives the following explanation, which is quiet good to understand it: A ternary operator is some operation …
How is the default max Java heap size determined?
For Java SE 5: According to Garbage Collector Ergonomics [Oracle]: initial heap size: Larger of 1/64th of the machine's physical memory on the machine or some reasonable minimum. Before J2SE 5.0, the …
What does the ^ operator do in Java? - Stack Overflow
2010年1月2日 · 7 It is the Bitwise xor operator in java which results 1 for different value of bit (ie 1 ^ 0 = 1) and 0 for same value of bit (ie 0 ^ 0 = 0) when a number is written in binary form. ex :- To use your …
Setting JAVA_HOME environment variable in MS Windows
JAVA_HOME and PATH are different, I didn't say point JAVA_HOME to the jre/bin directory. Try making sure that the PATH environment variable includes the jre/bin directory. For example, type java from …
What is the difference between == and equals () in Java?
Since java.lang.String class override equals method, It return true if two String object contains same content but == will only return true if two references are pointing to same object. Here is an example …
Remote debugging a Java application - Stack Overflow
2009年6月10日 · Steps: Start your remote java application with debugging options as said in above post. Configure Eclipse for remote debugging by specifying host and port. Start remote debugging in …
What is the percent % operator in java? - Stack Overflow
2017年5月15日 · What is the percent % operator in java? Asked 8 years, 8 months ago Modified 4 years, 6 months ago Viewed 64k times
How do the post increment (i++) and pre increment (++i) operators …
How do the post increment (i++) and pre increment (++i) operators work in Java? Asked 15 years, 10 months ago Modified 1 year, 7 months ago Viewed 449k times
Java "?." operator for checking null - What is it? (Not Ternary!)
2015年11月18日 · Take the latest version of Java, which tries to make null-pointer checking easier by offering shorthand syntax for the endless pointer testing. Just adding a question mark to each …
Force Java timezone as GMT/UTC - Stack Overflow
The java.util.Date and java.sql.Date classes store the actual time (milliseconds) in UTC. To format these on output to another timezone, use SimpleDateFormat. You can also associate a timezone with the …
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