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- What is the percent % operator in java? - Stack Overflow
What's the syntax for mod in java 113 Understanding The Modulus Operator % Related 3
- java - (AND) and || (OR) in IF statements - Stack Overflow
All the answers here are great but, just to illustrate where this comes from, for questions like this it's good to go to the source: the Java Language Specification Section 15:23, Conditional-And operator ( ) , says:
- What does the += operator do in Java? - Stack Overflow
In java the default type of numbers like 2 or -2(without a fractional component) is int and unlike c# that's not an object and we can't do sth like 2 tostring as in c# and the default type of numbers like 2 5(with a fractional component) is double; So if you write:
- java - Setting active profile and config location from command line in . . .
Option 1: Java System Properties (VM Arguments) It's important that the -D parameters are before your application jar otherwise they are not recognized java -jar -Dspring profiles active=prod application jar Option 2: Program arguments java -jar application jar --spring profiles active=prod --spring config location=c:\config
- How do the post increment (i++) and pre increment (++i) operators work . . .
Can you explain to me the output of this Java code? int a=5,i; i=++a + ++a + a++; i=a++ + ++a + ++a; a=++a + ++a + a++; System out println(a); System out println(i
- What does the arrow operator, - gt;, 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 as lambdas Below is the "un-folded" code
- 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 of comparing two Strings in Java for equality using == and equals() method which will clear some doubts:
- java - Extracting . jar file with command line - Stack Overflow
Java has a class specifically for zip files and one even more specifically for Jar Files java util jar JarOutputStream java util jar JarInputStream using those you could, on a command from the console, using a scanner set to system in Scanner console = new Scanner(System in); String input = console nextLine();
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