κ°μ νμ μ¬λ¬κ° λ°μ΄ν° μ μ λ°°μ΄ μ μΈ - μλ£ν[] λ°°μ΄μ΄λ¦ = new μλ£ν[κ°μ] λ°°μ΄μ μΈ ν λ -> μ΄κΈ°κ° ν λΉ - int[] a=new int[]{100,200,300,400,500};