LESSON 3: LOOPING
LEARNING OBJECTIVES AND OUTCOMES
• Introduction
• Additional Features of FOR Loop
• Nesting of For loops
• Jumps in loops Jumping out of a loop
• Skipping a part of a loop
• Labeled Loops
• Classes
INTRODUCTION
Computers are quite efficient in performing task repeatedly. It can efficiently perform same operation 10,000 times without exhausting. Looping is the process of executing a block of statements repeatedly. It ranges from zero to infinite with full efficiency. When looping continues forever, it is known as infinite looping. Hence, to avoid infinite looping some termination conditions are required. JAVA supports this feature. It has control statements which allow looping only after checking test conditions. If test conditions are satisfied, statement block will execute otherwise it will not.
Looping process in JAVA includes certain steps which are follows:
1. Setting and initializing counter.
2. Execution of statement block.
3. Testing of test conditions before execution of loop.
ADDITIONAL FEATURES OF FOR LOOP
There are several capabilities of for loop which other looping constructs lag behind. Some of these features are explained below with the help of examples:
• Initialization Section: a=1; for (i=1; i0; z=z/2)
JAVA also allows us to use expressions in assignment statements.
• Omitting Sections:
…………
………… a=2; for ( ; a!=15 ; )
{
System.out.println (a); A=a+2;
}
…………..
…………..
It is one of the unique features of JAVA that it can omit one or
4. The ____ is normally considered the standard output and standard input devices, and usually refer to
for (int j=i+1; j < n; j++)// defines j as one larger than i, compares j to n, increments j each iteration
but still resulting in a valid x. The x = z verification in the tag would be successful even though
while (left <= right)//while loop will run as long as left is less or equal to right
The above code will not result in a forever loop.since it breaks out of the loop as is mentioned.this feature isn’t available in c and c++ instead they use the goto statement to come out of the loop lets see an example
Buffer overflows do not occur in languages like Java where every array access is guaranteed to be within bounds through a software check. Such approaches require no hardware support but result in run-time costs associated with performing
//if n is 10 then then the first iteration will take 10 checks, after that it will be nine, 8 and so on
Reason: Parentheses are used to specify the order of evaluation. Expressions within the parentheses are
But, what if a user wants to arbitrarily add 3 or more numbers? In a language like Java, we would have had to use something called an overloaded method (though, in Java 8 you can now use optional parameters!). We would have had to create something similar to:
Knowing Java creates array of objects help programmers rapidly spawn multiple types of their objects. Java is one of my favorite programming
Domain F involves TPE (Teaching Performance Expectation) 12 which includes professional, legal and ethical obligations and TPE 13 which about professional growth. It has the following components: first, a candidate should exhibit the skills to train paraprofessionals. Considering work ethics, teacher candidate needs to educate classroom assistants with regards to class procedures and behavior management. Second, demonstrate dedication in improving the quality of life of students with Moderate/Severe disabilities. Since students with disabilities have diverse personalities, teacher candidate need to find ways of enriching and training them to become independent. Third, show capacity in implementing professional, legal and ethical standards for teaching students with Moderate/Severe disabilities and English Language Learners. In this component, teacher candidate should practice proper work ethics observing the legal aspects of special education. Fourth, be open to constructive criticism, perform efficiently with supervisors and regularly contemplate on teaching methodologies. With regards to this area, teacher candidate should be open to suggestions and any changes in the field of education. Fifth, establish useful communication and collaboration methods with parents, professionals, other stakeholders including those needed to participate in case management. As an illustration, teacher candidate should have meetings with the department chairperson,
Nazir has kindly volunteered for this piece of work. He is a native of Syria who was born in the capital Damascus. His mother tongue is Arabic and he is studying English at South Thames College on the Upper Intermediate level. He currently performs in the top half of the class according to his own assessment with which I tend to concur.
Java is a platform independent language that makes it very distinct from other languages. The platform independent quality of java makes it very beneficial for the enterprise. One of the main features of java development is that it uses stack allocation system for data storage. Java is a highly secure language and is user and developer friendly. Apart from this, an enterprise can also reuse the code for developing any other applications on Java platform and these applications are dynamic in nature.
Ever since programming languages was introduced there have been some issues or problems with each and every programming language from low lever programming language BASIC to high level language C and C++. As there should be so many enhancements to be made in each of those programming languages, engineers from Sun Microsystems wanted to develop a new environment and to implement new art of programming language with should be simple, efficient, durable, portable, powerful, well secure and easy to understand. When java was designed it was a programming language later-on due to its easy, simple and flexible nature it was designed for web applications as well.
In this type of testing the one, one and small part of program is testing and find the errors during this testing when the errors found and highlight the errors and later fix these errors. The testing of this type is easy and take less time. When this step of testing is completed then the next step of testing is performed.