In Java, the & operator is a bitwise AND operator, and the && operator is a logical AND operator.The difference between these operators is in the way they evaluate their operands.The & operator evaluates both o
Integer is a class, no diffeeent from any other in the java language. Variables of type Integer store the references to Integer Objects. Note that every primiry type has wrapper class: byte has Byte long has Long boolean has Boolean float has Float double has Double Wrapper class inherit fr...
According to the above program, the variable a is an int and has the value 10. The variable b is an int and has the value 20. The sum of a and b are calculated and assigned to the variable sum. It is also an integer. In the for loop, ‘i’ is the counter variable. It is a...
since its introduction in java 8, the stream api has become a staple of java development. the basic operations like iterating, filtering, mapping sequences of elements are deceptively simple to use. but these can also be overused and fall into some common pitfalls. to get a better understandi...
We can put both, checked and unchecked exceptions in the throws. We have described the difference between them below. 4.1. Checked and Unchecked Exceptions A checked exception means that it’s checked at the compile time. Note, that we must handle this exception. Otherwise, a method must...
In this guide, you will learn difference between ArrayList and LinkedList in Java. ArrayList and LinkedList both implements List interface and their methods and results are almost identical. However there are few differences between them which make one b
for (int i=0; i<10000; i++){ stringbuffer.append("Android"); } return stringbuffer.toString(); } public static void main(String[] args){ long startTime = System.currentTimeMillis();concatinateString(); System.out.println("Time taken for Concatination with String: "+(System.currentTi...
s.concat(“2”); // no error as here 2 is string (enclosed in “”) While + can take any type of argument, while doing concatenation non-string type argument is converted to String by using its toString() method. Example String str=”abc”; int i=2; System.out.println(str+...
When the ‘sum’ reaches or exceeds 20, the program prints a message and terminates the loop using ‘break’. Finally, the program prints the final sum. Difference Between Break and Continue Statements in C To effectively use these loop flow controllers, one needs to understand the differences...
2. General Differences BetweenWaitandSleep Simply put,wait()is an instance method that's used for thread synchronization. It can be called on any object, as it's defined right onjava.lang.Object,but it canonly be called from a synchronized block. It releases the lock on the object so th...