What is the percent % operator in java? - Stack Overflow
Jul 16, 2021 · 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.
java - What are the -Xms and -Xmx parameters when starting …
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 (see documentation) -Xcheck:jni perform additional checks for JNI functions -Xshare:off do not attempt to use shared class data -Xshare:auto use shared class data if ...
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 if necessary). You can also use the traditional bit-shifting trick to compute some powers of two. That is, (1L << k) is two to the k-th power for k=0..63. See also
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 means developers are not directly allowed to point a variable to a specific memmory adress, and deal with data offsets and stuff.
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 Represents that the class is an entity class. Similarly you can use many annotations to map individual columns, generate ids, generate version, relationships etc.
java - SSL and cert keystore - Stack Overflow
Aug 16, 2021 · again, yes Java JDK tools can work with SSL self signed certs. It also works in Windows 11 just use Oracle's JDK kit path. C:\Program Files\Java\jdk-20\lib\security\cacerts. tool path. C:\Program Files\Java\jdk-20\bin\keytool. I just drop the cert I need into the folder named security and run similar commands as the imac just different paths.
integer - How to implement infinity in Java? - Stack Overflow
Does Java have anything to represent infinity for every numerical data type? How is it implemented such that I can do mathematical operations with it? E.g. int myInf = infinity; //However it is done myInf + 5; //returns infinity myInf*(-1); //returns negative infinity I have tried using very large numbers, but I want a proper, easy solution.
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-module-path --module my-module/my-main-class; Deployment to an enterprise server. It's when you have war or ear file. We'll omit the explanation for this case
What is the difference between == and equals () in Java?
Nov 22, 2019 · 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:
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". Yes, the phrase "ternary operator" has stuck - my answer is part of an effort to "unstick" it, just as I try to correct the claim that "objects are passed ...