3RD QTR-SUMMATIVE TEST IN COMPUTER PROGRAMMING-4-17-2023

It is an immutable object which means it is constant and can cannot be changed once it has been created.

• Class

• String literal

• New keyword

• String

It returns count of total number of characters present in the String.

• Java String isEmpty()

• Java String concat()

• Java String length()

• Java String compareTo()

It checks the unicode value of space character (‘u0020’) before and after the string.

• Java String toLowerCase()

• Java String trim()

• Java String toUpperCase()

• Java String replace()

This method compares two string on the basis of content but it does not check the case like equals() method.

• Java String equalsIgnoreCase()

• Java String contains()

• Java String equalsIgnoreCase()

• Java String endsWith()

Translates user’s needs into detailed specifications for implementation by the programmer.

• Systems analyst

• Software engineer

• Project manager

• Quality assurance team

It is a process by which an application is visualized, developed and implemented.

• Information Systems

• Proposed system

• Feasibility

• Systems development life cycle

It is used so users can see and understand what activities are involved within a given step.

• Operations

• System analysis

• Project management

• Life cycle approach

This is a process in which knowledge workers and IT specialists engage one another to define and review business requirements.

• Development

• Design

• Joint Application Development

• Analysis

In this phase, the developers build a technical blueprint detailing how the proposed system will work.

• Development

• Design

• Planning

• Analysis

In this step, the system is distributed to all knowledge workers who begin using the system to perform their routine jobs.

• Implementation phase

• Maintenance phase

• Testing phase

• Analysis phase