please i need the full answer

Question 1: Given a code (program or pseudo-code) public int largest (int a, int b){ int max: max=a; if ( ac b) max = b; System.out.println( a + max): return max; 1. Number the lines 2. List the variables 3. List occurrences & assign a category to each variable 4. Identify du-pairs and their use (p-or c-) 5. Define test cases, depending on the following coverage - All definitions All c-uses - All p-uses All du-paths