1. A teacher of environmental science at a high school with 2000 students wanted to estimate the percentage of students at the school who always recycle aluminum cans. The teacher selected a random sample of 60 students at the school to survey. Each selected student went into the teacher's ...
char ch = '\utea'; char ca = 'tea'; char cr = \u0223; char cc = '\itea';Show AnswerWorkspace8) What is the return type of the hashCode() method in the Object class? Object int long voidShow AnswerWorkspace9) Which of the following is a valid long literal?