Answer:
See Explaination
Explanation:
package testscores;
import java.util.ArrayList;
import java.util.List;
public class TestScores {
public List<Integer> scorearray=new ArrayList<>();
public TestScores(List<Integer> scores) throws InvalidTestScore{
this.scorearray=scores;
for(int i=0;i<scorearray.size();i++){
if(scorearray.get(i)>100 || scorearray.get(i)<0){
throw new InvalidTestScore(this.scorearray.get(i));
}
}
}
public double average(){
int tot=0;
for(int i=0;i<this.scorearray.size();i++){
tot=tot+this.scorearray.get(i);
}
return tot*(1.0)/(this.scorearray.size());
}
class InvalidTestScore extends Exception
{
private double amount;
public InvalidTestScore(int Score)
{
System.out.println("Invalid Score "+Score);
}
}
}
Answer:
22.5 s is the correct answer to the given question .
Explanation:
Given that
For light:
We know that speed of light c
We know that

For thunder :
Speed of sound ,v=332 m/s

Therefore the difference between time is given as follows

22.5 is the answer
Answer: car | truck
Explanation: The pipe (|) symbol used can be used in regular expression to simply imply OR. This means when used in between expression, can be used to search for all matches of the strings in which it stands in between. In the scenario above, If the pipe symbol is located in between the two strings, such as [ cars | trucks], the expression returns possible occurrence of the strings cars and trucks. It may also be used to locate and return the occurrences of more than 2 strings, such as; string1 | string2 | string3
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