1. Construct program using decision and control statement. (C3, P4) 2. Analyze and solve programming problem. (CTPS) Questions: 1. (Grade.java) Given the total marks a student has earned for a subject...

java

Extracted text: 1. Construct program using decision and control statement. (C3, P4) 2. Analyze and solve programming problem. (CTPS) Questions: 1. (Grade.java) Given the total marks a student has earned for a subject at the end of a semester, calculate and display the grade he will get based on the following scheme: Marks 80 and above Between 70 to 80 Grade A в Between 60 to 7o Between 50 to 60 Less than 50 D E 2. (Sentinel.java) Write a program that reads several numbers, determines how many positive and negative values have been read. Computes the total and average of the input value. The process will ends with the input sentinel 9999 (not included in counting the total and average). Display all the outputs.