Answer:
enables you to make changes to one part of an image without accidentally changing other parts
Explanation:
Computer aided designs incorporate the use of multiple layers in drawings. The first layer is known as the layer 0, while the present layer the designer is working on is known as the current layer. The advantage of the incorporation of layers in designs include the following
1. It helps objects to be altered, grouped, hidden and moved as the designer wishes.
2. Layers can be grouped and worked on separated and common properties like color and line weight assigned to them.
3. Layers can be manipulated as the user wishes. They can be locked, frozen, turned off, etc. Locking prevents accidental changes being made on objects.
Answer:
String date = "21/05/2020";
String dayStr = date.substring(0,2);
int day = Integer.parseInt(dayStr);
System.out.println(day);
Explanation:
Create a variable called <em>date</em> which holds the current date
Create a variable called <em>dayStr</em>. Initialize it to the day part of the <em>date</em> using the substring method
Create a variable called <em>day</em>. Parse the <em>dayStr</em> and assign it to the <em>day</em>
Print the <em>day</em>
Answer:
Explanation:
Gas Filling Station has pumps. Pumps have credit card readers. Driver can able to swipe their cards, pumps have Fuel. Pumps card readers communicate with Credit Company. Driver interacts with pump for fuel and credit card.
In this situation the following we need to treat as objects.
They are Pump, Card reader, Fuel tank, communication system, system controller and price table.
Design pattern for the following system is attached below
In an overhead valve engine, pushrods connect to A. rocker arm which pivots and opens valves
The main characteristic of a company with suggests that it operates with an informal work culture is flexible working hours. With this kind of work culture, <span>workers are allowed to alter their workday start and finish times; and are not required to strictly follow the traditional work arrangements of the standard 9 a.m. to 5 p.m</span>
