Category: dummyCategory

Learn to get last index of element in arraylist in Java using Arraylist.lastIndexOf() method. It returns the last occurrence of the element in this list.

Learn to add multiple items to ArrayList. Learn to add all elements to an arraylist in Java. Learn to add only selected elements using Java 8 stream api.

I have the following example data set that I want to transform / reduce using Java stream api based on direction’s value Direction int[]IN 1, 2OUT 3, 4OUT 5, 6, …

The Java String concat() method concatenates the method argument string to the end of string object. Concatenate two strings to produce combined string.

The OpenJFX team, which includes developers from companies like Oracle and Gluon, as well as individuals, is working very hard to get the JavaFX 11 release for Windows, Mac OS X and Linux published later this month. While the release is stabilizing (early access builds are available), we are now also making JavaFX available in …

As I wrote about in my post ” Playing with JDK 12’s Switch Expressions “, the JDK 12 Early Access Builds have made it easy to experiment wi…

Is the following statement true? (source and source – they seem to copy from each other or come from the same source). The sorted() operation is a “stateful intermediate operation”, which means …

The Java String replace() method replaces each substring of this string that matches the literal target substring. The matching process starts at index 0.

Java String endsWith() method verifies if given string ends with argument string or not. It does not accept null argument and regex patterns.

I’ve just released version 4.5 of Java, JavaFX theme JMetro. This version adds new styles for the Te…

Java String startsWith() method check if a string starts with prefix argument string. does not accept regex as argument. null argument is also not allowed.

Java 10 has officially been out for almost a month now, and it brought with it some improvements to the G1 garbage collector. Here we explain the changes.

Java String lastIndexOf() method. It returns the last index of specified character or string as method argument. If argument is not found it returns -1.

Java String substring() example. Learn to get substring of a string from given start index to end index. A valid index is between 0 and length of string.