保存计算过程的计算器

[{"title":"（ 25 个子文件 23KB ） 保存计算过程的计算器","children":[{"title":"保存计算过程的计算器","children":[{"title":"bin","children":[{"title":"HandleSin.class <span style='color:#111;'> 2.26KB </span>","children":null,"spread":false},{"title":"HandleEquality.class <span style='color:#111;'> 2.99KB </span>","children":null,"spread":false},{"title":"HandleBack.class <span style='color:#111;'> 1.97KB </span>","children":null,"spread":false},{"title":"HandleClear.class <span style='color:#111;'> 1.09KB </span>","children":null,"spread":false},{"title":"OperationButton.class <span style='color:#111;'> 587B </span>","children":null,"spread":false},{"title":"HandleDigit.class <span style='color:#111;'> 2.38KB </span>","children":null,"spread":false},{"title":"HandlePorN.class <span style='color:#111;'> 1.92KB </span>","children":null,"spread":false},{"title":"HandleOperation.class <span style='color:#111;'> 2.84KB </span>","children":null,"spread":false},{"title":"NumberButton.class <span style='color:#111;'> 690B </span>","children":null,"spread":false},{"title":"CalculatorWindow.class <span style='color:#111;'> 6.75KB </span>","children":null,"spread":false},{"title":"HandleDot.class <span style='color:#111;'> 2.02KB </span>","children":null,"spread":false}],"spread":false},{"title":".settings","children":[{"title":"org.eclipse.jdt.core.prefs <span style='color:#111;'> 598B </span>","children":null,"spread":false}],"spread":true},{"title":"src","children":[{"title":"HandleClear.java <span style='color:#111;'> 484B </span>","children":null,"spread":false},{"title":"HandlePorN.java <span style='color:#111;'> 937B </span>","children":null,"spread":false},{"title":"HandleOperation.java <span style='color:#111;'> 1.65KB </span>","children":null,"spread":false},{"title":"HandleEquality.java <span style='color:#111;'> 1.92KB </span>","children":null,"spread":false},{"title":"HandleDigit.java <span style='color:#111;'> 1.28KB </span>","children":null,"spread":false},{"title":"HandleSin.java <span style='color:#111;'> 1.17KB </span>","children":null,"spread":false},{"title":"HandleBack.java <span style='color:#111;'> 1.13KB </span>","children":null,"spread":false},{"title":"NumberButton.java <span style='color:#111;'> 271B </span>","children":null,"spread":false},{"title":"OperationButton.java <span style='color:#111;'> 289B </span>","children":null,"spread":false},{"title":"CalculatorWindow.java <span style='color:#111;'> 6.24KB </span>","children":null,"spread":false},{"title":"HandleDot.java <span style='color:#111;'> 965B </span>","children":null,"spread":false}],"spread":false},{"title":".project <span style='color:#111;'> 406B </span>","children":null,"spread":false},{"title":".classpath <span style='color:#111;'> 301B </span>","children":null,"spread":false}],"spread":true}],"spread":true}]