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mamaluj [8]
3 years ago
10

Given two ArrayLists of sorted strings (alphabetically ascending), write down a method to merge these sorted strings’ ArrayLists

into a single sorted ArrayList. The signature of the method is given below: public static ArrayList mergeList(ArrayList lst1, ArrayList lst2) Write down a test method that tests the above method. As an example if: List1 has its elements: "Austin" "Dallas" "San Francisco" and List2 has its elements : "Boston" "Chicago" "Denver" "Seattle" then the merged sorted list should have the elements in the following order : "Austin" "Boston" "Chicago", "Dallas" "Denver" "San Francisco" "Seattle"
Computers and Technology
1 answer:
Elena-2011 [213]3 years ago
8 0

Answer:

see explaination

Explanation:

import java.util.ArrayList;

import java.util.Arrays;

public class Merge {

public static ArrayList<String> mergeList(ArrayList<String> lst1, ArrayList<String> lst2) {

ArrayList<String> result = new ArrayList<String>();

int i = 0, j = 0;

while (i < lst1.size() || j < lst2.size()) {

if (i < lst1.size() && (j >= lst2.size() || lst1.get(i).compareTo(lst2.get(j)) < 0)) {

result.add(lst1.get(i++));

} else {

result.add(lst2.get(j++));

}

}

return result;

}

public static void main(String[] args) {

ArrayList<String> lst1 = new ArrayList<>(Arrays.asList("Austin", "Dallas", "San Fransisco"));

ArrayList<String> lst2 = new ArrayList<>(Arrays.asList("Boston", "Chicago", "Denver", "Seattle"));

System.out.println(mergeList(lst1, lst2));

}

}

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So, how does analysis help in design thinking? During analysis, design thinkers are required to break down the problem statement into smaller parts and study each one of them separately. The different smaller components of the problem statement are to be solved one-by-one, if possible. Then, solutions are thought for each of the small problems. Brainstorming is done over each of the solutions.

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Case Study

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Explanation:

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