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2. boolean operations - How to use 'or' in Java? - Stack Overflow

   stackoverflow.com/questions/20275572

   The || operator can only be used, in Java, where a boolean (true or false) expression is expected, such as in an if statement like the above. So pretty much in an if or a conditional operator (that ?...: thing, sometimes called the ternary operator).

3. java - When should I use "this" in a class? - Stack Overflow

   stackoverflow.com/questions/2411270

   1. this is a reference to the current object. It is used in the constructor to distinguish between the local and the current class variable which have the same name. e.g.: public class circle {. int x; circle(int x){. this.x =x; //class variable =local variable. }

4. java - && (AND) and || (OR) in IF statements - Stack Overflow

   stackoverflow.com/questions/1795808

   78. Java has 5 different boolean compare operators: &, &&, |, ||, ^. & and && are "and" operators, | and || "or" operators, ^ is "xor". The single ones will check every parameter, regardless of the values, before checking the values of the parameters. The double ones will first check the left parameter and its value and if true (||) or false ...

5. What is the Java ?: operator called and what does it do?

   stackoverflow.com/questions/798545

   Yes, it is a shorthand form of. count = getHereCount(index); count = getAwayCount(index); It's called the conditional operator. Many people (erroneously) call it the ternary operator, because it's the only ternary (three-argument) operator in Java, C, C++, and probably many other languages.

6. How do the post increment (i++) and pre increment (++i) operators...

   stackoverflow.com/questions/2371118

   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 ...

7. What does the ^ operator do in Java? - Stack Overflow

   stackoverflow.com/questions/1991380

   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 example: The binary representation of 5 is 0101. The binary representation of 4 is 0100.

8. logging - How to use log levels in java - Stack Overflow

   stackoverflow.com/questions/5817738

   20. The java.util.logging.Level documentation does a good job of defining when to use a log level and the target audience of that log level. Most of the confusion with java.util.logging is in the tracing methods. It should be in the class level documentation but instead the Level.FINE field provides a good overview: FINE is a message level ...

9. What is the percent % operator in java? - Stack Overflow

   stackoverflow.com/questions/43975824

   n%10 means the modulus of 10, that is the remainder you get when you divide with 10. Here it is used to get each digit. Example: Say your number is n = 752. n%10 = 2, n/10 = 75. So you add 2 to the sumDigits(75) Now, n%10 = 75%10 = 5. This is the digit to be added and so on, till your n >= 10. When it is < 10, you have a single digit that you ...

10. How do I run a Java program from the command line on Windows?

    stackoverflow.com/questions/16137713

    3. STEP 1: FIRST OPEN THE COMMAND PROMPT WHERE YOUR FILE IS LOCATED. (right click while pressing shift) STEP 2: THEN USE THE FOLLOWING COMMANDS TO EXECUTE. (lets say the file and class name to be executed is named as Student.java)The example program is in the picture background. javac Student.java.

11. What does the arrow operator, '->', do in Java? - Stack Overflow

    stackoverflow.com/questions/15146052

    The arrow operator is used to create lambda expressions, linking/separating parameters with the lambda body. syntax: (parameters) -> {expression}; It is also an efficient way of implementing functional interfaces like onClickListeners in java. answered Dec 2, 2022 at 10:09.