要避免 StringBuilder 的內存泄漏,請遵循以下步驟:
setLength(0)
方法將其長度設置為零。這將清除 StringBuilder 中的所有數據,并允許垃圾回收器回收內存。StringBuilder sb = new StringBuilder("Some data");
// Do some operations on sb
sb.setLength(0); // Clear the StringBuilder
try (StringBuilder sb = new StringBuilder("Some data")) {
// Do some operations on sb
} // The StringBuilder will be closed and garbage collected automatically here
StringBuilder sb = new StringBuilder(); // Create the StringBuilder outside the loop
for (int i = 0; i < 10; i++) {
sb.setLength(0); // Clear the StringBuilder before each iteration
// Do some operations on sb
}
StringBuilder sb = new StringBuilder("Some data");
// Do some operations on sb
sb = null; // Allow the garbage collector to reclaim the memory
遵循這些步驟可以幫助您避免 StringBuilder 的內存泄漏。
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