Lesson 4: Arrays - Structures and Strings - Practice Exercises Java Exercises: 1 Reverse array 2 Search in array 3 Array, even numbers 4 Array of positive and negative numbers 5 Many numbers and sum 6 Two dimensional array 7 Statistics 8 Struct 9 Array of struct 10 Array of struct + menu 11 Books database 12 Triangle 13 Rectangle 14 Centered triangle 15 Cities database 16 Banner 17 Triangle, right side 18 Strings manipulation 19 Nested structs 20 Sort data 21 Two dimensional array as buffer for screen 22 Two dimensional array 2: Circunference on screen 23 Computer programs 24 Exercise (tasks) 25 Household accounts Lessony 4