How to initialize an array in Java?

The above is not correct (syntax error). It means you are assigning an array to data[10] which can hold just an element. If you want to initialize an array, try using Array Initializer: Notice the difference between the two declarations. When assigning a new array to a declared variable, new must be used. Even if … Read more

How do I “decompile” Java class files? [closed]

www.javadecompilers.com lists JAD as being: the most popular Java decompiler, but primarily of this age only. Written in C++, so very fast.Outdated, unsupported and does not decompile correctly Java 5 and later So your mileage may vary with recent jdk (7, 8). The same site list other tools. And javadecompiler, as noted by Salvador Valencia … Read more

How does System.out.print() work?

System.out is just an instance of PrintStream. You can check its JavaDoc. Its variability is based on method overloading (multiple methods with the same name, but with different parameters). This print stream is sending its output to so called standard output. In your question you mention a technique called variadic functions (or varargs). Unfortunately that … Read more

How to uninstall Eclipse?

There is no automated uninstaller. You have to remove Eclipse manually by deleting some directories and files. Note: I use Unix style paths in this answer but the locations should be the same on Windows or Unix systems, so ~ refers to the user home directory even on Windows. Why is there no uninstaller? According to this discussion … Read more

What is a StackOverflowError?

Parameters and local variables are allocated on the stack (with reference types, the object lives on the heap and a variable in the stack references that object on the heap). The stack typically lives at the upper end of your address space and as it is used up it heads towards the bottom of the address space (i.e. towards zero). Your process also … Read more

Java: “error: cannot find symbol”

The n variable was declared in the main method and thus is visible only in the main method, nowhere else, and certainly not inside of the calcNumFactors method. To solve this, give your calcNumFactors method an int parameter which would allow calling methods to pass an int, such as n into the method. and call it like so:

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)