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Whiteboard-Problems/Week 4.md

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Week 4

Problem 1

Write a Java program to find the common elements between two arrays (string values)

Array1 : [Python, JAVA, PHP, C#, C++, SQL]                                                                    
Array2 : [MySQL, SQL, SQLite, Oracle, PostgreSQL, DB2, JAVA]                                                  
Common element is : [JAVA, SQL]

Problem 2

Write a Java program to find the second largest element in an array.

Original numeric array : [10789, 2035, 1899, 1456, 2013, 1458, 2458, 1254, 1472, 2365, 1456, 2165, 1457, 2456]
Second largest value: 2458