μ€νΈλ¦Ό νμ© λͺ μμ λ°λ³΅ λμ filterμ collect μ°μ°μ μ§μνλ μ€νΈλ¦Ό APIλ₯Ό μ΄μ©ν΄μ λ°μ΄ν° 컬λ μ λ°λ³΅μ λ΄λΆμ μΌλ‘ μ²λ¦¬ν μ μλ€. @Test void streamSample() { List nameList = new ArrayList(); nameList.add("λμ€"); nameList.add("룰루"); nameList.add("μ μ¬"); nameList.add("νΈλ¦°λ€λ―Έμ΄"); // μΈλΆ λ°λ³΅ List longNameList = new ArrayList(); for (String s : nameList) { if(s.length() > 5) { longNameList.add(s); } } // λ΄λΆ λ°λ³΅ List longNameStreamList = nameList.stream..