Apr 2, 2013 · String.contentEquals () compares the content of the String with the content of any CharSequence (available since Java 1.5). Saves you from having to turn your StringBuffer, etc …

Let's see it happen in Java terms. Here's the source code of String's equals() method: It compares the Strings character by character, in order to come to a conclusion that they are indeed equal. …

What's actually the difference between String[] and String... if any? The convention is to use String[] as the main method parameter, but using String... works too, since when you use …

Primitive question, but how do I format strings like this: "Step {1} of {2}" by substituting variables using Java? In C# it's easy.

9 I believe you just migrated from C++, Well in java you have to initialize a data type (other then primitive types and String is not a considered as a primitive type in java ) to use them as …

The Java compiler removes this incidental whitespace and keeps the essential whitespace. Then the .indent(4) method call adds four trailing spaces, essential indentation I want to add.

The endIndex (second parameter) of String.substring(int, int) is an exclusive index, and it won't throw an exception for index + 1 as long as index < length() -- which is true even for the last …

11 You'll want to use the static method Character.toString (char c) to convert the character into a string first. Then you can use the normal string concatenation functions.

Alternatively, you can use an Ints method from the Guava library, which in combination with Java 8's Optional, makes for a powerful and concise way to convert a string into an int:

Oct 28, 2010 · How might I convert an ArrayList<String> object to a String [] array in Java?